84.57% is the change from 538 to 993
Calculation steps:
[( 993 - 538 ) ÷ 538] x 100 = 84.57%
Formula
Percentage change = [(993 - 538) / 538] x 100
Subtract the new number by the original number
993 - 538 = 455
455 ÷ 538 = 0.845724907063197
0.845724907063197 x 100 = 84.57%