clear all;

K = 130;
a = 70;

C = tf(K,[1 a]);
P = tf(100,[1 25]);
%closed loop
G = feedback(C*P,1); 

t = [0:0.001:1];
[y] = step(G,t);

figure
plot(t,y);

%extract step response information

y_ss = 1300/1475; %steady state output for a unit step input
S = stepinfo(y,t,y_ss)

%you'll see that S.Peak is 1.1133, which means the peak overshoot is 11.33%
%, much lower than maximum stipulated value of 25%, and S.SettlingTime is
%0.0692 sec, again comfortably within the specified value.