26.58% is the change from 538 to 681
Calculation steps:
[( 681 - 538 ) ÷ 538] x 100 = 26.58%
Formula
Percentage change = [(681 - 538) / 538] x 100
Subtract the new number by the original number
681 - 538 = 143
143 ÷ 538 = 0.26579925650557623
0.26579925650557623 x 100 = 26.58%