373.68% is the change from 209 to 990
Calculation steps:
[( 990 - 209 ) ÷ 209] x 100 = 373.68%
Formula
Percentage change = [(990 - 209) / 209] x 100
Subtract the new number by the original number
990 - 209 = 781
781 ÷ 209 = 3.736842105263158
3.736842105263158 x 100 = 373.68%