50.6% is the change from 83 to 125
Calculation steps:
[( 125 - 83 ) ÷ 83] x 100 = 50.6%
Formula
Percentage change = [(125 - 83) / 83] x 100
Subtract the new number by the original number
125 - 83 = 42
42 ÷ 83 = 0.5060240963855421
0.5060240963855421 x 100 = 50.6%