319.49% is the change from 236 to 990
Calculation steps:
[( 990 - 236 ) ÷ 236] x 100 = 319.49%
Formula
Percentage change = [(990 - 236) / 236] x 100
Subtract the new number by the original number
990 - 236 = 754
754 ÷ 236 = 3.194915254237288
3.194915254237288 x 100 = 319.49%