25.52% is the change from 388 to 487
Calculation steps:
[( 487 - 388 ) ÷ 388] x 100 = 25.52%
Formula
Percentage change = [(487 - 388) / 388] x 100
Subtract the new number by the original number
487 - 388 = 99
99 ÷ 388 = 0.2551546391752577
0.2551546391752577 x 100 = 25.52%