81.42% is the change from 522 to 947
Calculation steps:
[( 947 - 522 ) ÷ 522] x 100 = 81.42%
Formula
Percentage change = [(947 - 522) / 522] x 100
Subtract the new number by the original number
947 - 522 = 425
425 ÷ 522 = 0.814176245210728
0.814176245210728 x 100 = 81.42%