30.95% is the change from 588 to 770
Calculation steps:
[( 770 - 588 ) ÷ 588] x 100 = 30.95%
Formula
Percentage change = [(770 - 588) / 588] x 100
Subtract the new number by the original number
770 - 588 = 182
182 ÷ 588 = 0.30952380952380953
0.30952380952380953 x 100 = 30.95%