87.16% is the change from 522 to 977
Calculation steps:
[( 977 - 522 ) ÷ 522] x 100 = 87.16%
Formula
Percentage change = [(977 - 522) / 522] x 100
Subtract the new number by the original number
977 - 522 = 455
455 ÷ 522 = 0.8716475095785441
0.8716475095785441 x 100 = 87.16%