36.07% is the change from 438 to 596
Calculation steps:
[( 596 - 438 ) ÷ 438] x 100 = 36.07%
Formula
Percentage change = [(596 - 438) / 438] x 100
Subtract the new number by the original number
596 - 438 = 158
158 ÷ 438 = 0.3607305936073059
0.3607305936073059 x 100 = 36.07%