31.17% is the change from 77 to 101
Calculation steps:
[( 101 - 77 ) ÷ 77] x 100 = 31.17%
Formula
Percentage change = [(101 - 77) / 77] x 100
Subtract the new number by the original number
101 - 77 = 24
24 ÷ 77 = 0.3116883116883117
0.3116883116883117 x 100 = 31.17%