109.29% is the change from 280 to 586
Calculation steps:
[( 586 - 280 ) ÷ 280] x 100 = 109.29%
Formula
Percentage change = [(586 - 280) / 280] x 100
Subtract the new number by the original number
586 - 280 = 306
306 ÷ 280 = 1.0928571428571427
1.0928571428571427 x 100 = 109.29%