28.33% is the change from 60 to 77
Calculation steps:
[( 77 - 60 ) ÷ 60] x 100 = 28.33%
Formula
Percentage change = [(77 - 60) / 60] x 100
Subtract the new number by the original number
77 - 60 = 17
17 ÷ 60 = 0.2833333333333333
0.2833333333333333 x 100 = 28.33%