320% is the change from 140 to 588
Calculation steps:
[( 588 - 140 ) ÷ 140] x 100 = 320%
Formula
Percentage change = [(588 - 140) / 140] x 100
Subtract the new number by the original number
588 - 140 = 448
448 ÷ 140 = 3.2
3.2 x 100 = 320%
Example