2.41% is the change from 83 to 85
Calculation steps:
[( 85 - 83 ) ÷ 83] x 100 = 2.41%
Formula
Percentage change = [(85 - 83) / 83] x 100
Subtract the new number by the original number
85 - 83 = 2
2 ÷ 83 = 0.024096385542168676
0.024096385542168676 x 100 = 2.41%