90.23% is the change from 522 to 993
Calculation steps:
[( 993 - 522 ) ÷ 522] x 100 = 90.23%
Formula
Percentage change = [(993 - 522) / 522] x 100
Subtract the new number by the original number
993 - 522 = 471
471 ÷ 522 = 0.9022988505747126
0.9022988505747126 x 100 = 90.23%