35.31% is the change from 388 to 525
Calculation steps:
[( 525 - 388 ) ÷ 388] x 100 = 35.31%
Formula
Percentage change = [(525 - 388) / 388] x 100
Subtract the new number by the original number
525 - 388 = 137
137 ÷ 388 = 0.35309278350515466
0.35309278350515466 x 100 = 35.31%