416% is the change from 125 to 645
Calculation steps:
[( 645 - 125 ) ÷ 125] x 100 = 416%
Formula
Percentage change = [(645 - 125) / 125] x 100
Subtract the new number by the original number
645 - 125 = 520
520 ÷ 125 = 4.16
4.16 x 100 = 416%
Example