42.01% is the change from 538 to 764
Calculation steps:
[( 764 - 538 ) ÷ 538] x 100 = 42.01%
Formula
Percentage change = [(764 - 538) / 538] x 100
Subtract the new number by the original number
764 - 538 = 226
226 ÷ 538 = 0.4200743494423792
0.4200743494423792 x 100 = 42.01%