25.19% is the change from 393 to 492
Calculation steps:
[( 492 - 393 ) ÷ 393] x 100 = 25.19%
Formula
Percentage change = [(492 - 393) / 393] x 100
Subtract the new number by the original number
492 - 393 = 99
99 ÷ 393 = 0.25190839694656486
0.25190839694656486 x 100 = 25.19%