139.16% is the change from 286 to 684
Calculation steps:
[( 684 - 286 ) ÷ 286] x 100 = 139.16%
Formula
Percentage change = [(684 - 286) / 286] x 100
Subtract the new number by the original number
684 - 286 = 398
398 ÷ 286 = 1.3916083916083917
1.3916083916083917 x 100 = 139.16%