39.12% is the change from 588 to 818
Calculation steps:
[( 818 - 588 ) ÷ 588] x 100 = 39.12%
Formula
Percentage change = [(818 - 588) / 588] x 100
Subtract the new number by the original number
818 - 588 = 230
230 ÷ 588 = 0.391156462585034
0.391156462585034 x 100 = 39.12%