85.17% is the change from 391 to 724
Calculation steps:
[( 724 - 391 ) ÷ 391] x 100 = 85.17%
Formula
Percentage change = [(724 - 391) / 391] x 100
Subtract the new number by the original number
724 - 391 = 333
333 ÷ 391 = 0.8516624040920716
0.8516624040920716 x 100 = 85.17%