39.63% is the change from 588 to 821
Calculation steps:
[( 821 - 588 ) ÷ 588] x 100 = 39.63%
Formula
Percentage change = [(821 - 588) / 588] x 100
Subtract the new number by the original number
821 - 588 = 233
233 ÷ 588 = 0.39625850340136054
0.39625850340136054 x 100 = 39.63%