50.91% is the change from 656 to 990
Calculation steps:
[( 990 - 656 ) ÷ 656] x 100 = 50.91%
Formula
Percentage change = [(990 - 656) / 656] x 100
Subtract the new number by the original number
990 - 656 = 334
334 ÷ 656 = 0.5091463414634146
0.5091463414634146 x 100 = 50.91%
Example