31.12% is the change from 588 to 771
Calculation steps:
[( 771 - 588 ) ÷ 588] x 100 = 31.12%
Formula
Percentage change = [(771 - 588) / 588] x 100
Subtract the new number by the original number
771 - 588 = 183
183 ÷ 588 = 0.3112244897959184
0.3112244897959184 x 100 = 31.12%