64.94% is the change from 77 to 127
Calculation steps:
[( 127 - 77 ) ÷ 77] x 100 = 64.94%
Formula
Percentage change = [(127 - 77) / 77] x 100
Subtract the new number by the original number
127 - 77 = 50
50 ÷ 77 = 0.6493506493506493
0.6493506493506493 x 100 = 64.94%