55.66% is the change from 636 to 990
Calculation steps:
[( 990 - 636 ) ÷ 636] x 100 = 55.66%
Formula
Percentage change = [(990 - 636) / 636] x 100
Subtract the new number by the original number
990 - 636 = 354
354 ÷ 636 = 0.5566037735849056
0.5566037735849056 x 100 = 55.66%