81.99% is the change from 522 to 950
Calculation steps:
[( 950 - 522 ) ÷ 522] x 100 = 81.99%
Formula
Percentage change = [(950 - 522) / 522] x 100
Subtract the new number by the original number
950 - 522 = 428
428 ÷ 522 = 0.8199233716475096
0.8199233716475096 x 100 = 81.99%