30.67% is the change from 538 to 703
Calculation steps:
[( 703 - 538 ) ÷ 538] x 100 = 30.67%
Formula
Percentage change = [(703 - 538) / 538] x 100
Subtract the new number by the original number
703 - 538 = 165
165 ÷ 538 = 0.3066914498141264
0.3066914498141264 x 100 = 30.67%