246.15% is the change from 286 to 990
Calculation steps:
[( 990 - 286 ) ÷ 286] x 100 = 246.15%
Formula
Percentage change = [(990 - 286) / 286] x 100
Subtract the new number by the original number
990 - 286 = 704
704 ÷ 286 = 2.4615384615384617
2.4615384615384617 x 100 = 246.15%