104.9% is the change from 286 to 586
Calculation steps:
[( 586 - 286 ) ÷ 286] x 100 = 104.9%
Formula
Percentage change = [(586 - 286) / 286] x 100
Subtract the new number by the original number
586 - 286 = 300
300 ÷ 286 = 1.048951048951049
1.048951048951049 x 100 = 104.9%