91.38% is the change from 522 to 999
Calculation steps:
[( 999 - 522 ) ÷ 522] x 100 = 91.38%
Formula
Percentage change = [(999 - 522) / 522] x 100
Subtract the new number by the original number
999 - 522 = 477
477 ÷ 522 = 0.9137931034482759
0.9137931034482759 x 100 = 91.38%