87.8% is the change from 41 to 77
Calculation steps:
[( 77 - 41 ) ÷ 41] x 100 = 87.8%
Formula
Percentage change = [(77 - 41) / 41] x 100
Subtract the new number by the original number
77 - 41 = 36
36 ÷ 41 = 0.8780487804878049
0.8780487804878049 x 100 = 87.8%