89.68% is the change from 310 to 588
Calculation steps:
[( 588 - 310 ) ÷ 310] x 100 = 89.68%
Formula
Percentage change = [(588 - 310) / 310] x 100
Subtract the new number by the original number
588 - 310 = 278
278 ÷ 310 = 0.896774193548387
0.896774193548387 x 100 = 89.68%