-21.17% is the change from 633 to 499
Calculation steps:
[( 499 - 633 ) ÷ 633] x 100 = -21.17%
Formula
Percentage change = [(499 - 633) / 633] x 100
Subtract the new number by the original number
499 - 633 = -134
-134 ÷ 633 = -0.21169036334913113
-0.21169036334913113 x 100 = -21.17%