55.76% is the change from 538 to 838
Calculation steps:
[( 838 - 538 ) ÷ 538] x 100 = 55.76%
Formula
Percentage change = [(838 - 538) / 538] x 100
Subtract the new number by the original number
838 - 538 = 300
300 ÷ 538 = 0.5576208178438662
0.5576208178438662 x 100 = 55.76%