51.81% is the change from 83 to 126
Calculation steps:
[( 126 - 83 ) ÷ 83] x 100 = 51.81%
Formula
Percentage change = [(126 - 83) / 83] x 100
Subtract the new number by the original number
126 - 83 = 43
43 ÷ 83 = 0.5180722891566265
0.5180722891566265 x 100 = 51.81%