86.78% is the change from 522 to 975
Calculation steps:
[( 975 - 522 ) ÷ 522] x 100 = 86.78%
Formula
Percentage change = [(975 - 522) / 522] x 100
Subtract the new number by the original number
975 - 522 = 453
453 ÷ 522 = 0.867816091954023
0.867816091954023 x 100 = 86.78%