84.39% is the change from 538 to 992
Calculation steps:
[( 992 - 538 ) ÷ 538] x 100 = 84.39%
Formula
Percentage change = [(992 - 538) / 538] x 100
Subtract the new number by the original number
992 - 538 = 454
454 ÷ 538 = 0.8438661710037175
0.8438661710037175 x 100 = 84.39%