227.81% is the change from 302 to 990
Calculation steps:
[( 990 - 302 ) ÷ 302] x 100 = 227.81%
Formula
Percentage change = [(990 - 302) / 302] x 100
Subtract the new number by the original number
990 - 302 = 688
688 ÷ 302 = 2.2781456953642385
2.2781456953642385 x 100 = 227.81%