-15.57% is the change from 636 to 537
Calculation steps:
[( 537 - 636 ) ÷ 636] x 100 = -15.57%
Formula
Percentage change = [(537 - 636) / 636] x 100
Subtract the new number by the original number
537 - 636 = -99
-99 ÷ 636 = -0.15566037735849056
-0.15566037735849056 x 100 = -15.57%