153.57% is the change from 280 to 710
Calculation steps:
[( 710 - 280 ) ÷ 280] x 100 = 153.57%
Formula
Percentage change = [(710 - 280) / 280] x 100
Subtract the new number by the original number
710 - 280 = 430
430 ÷ 280 = 1.5357142857142858
1.5357142857142858 x 100 = 153.57%