-50.08% is the change from 633 to 316
Calculation steps:
[( 316 - 633 ) ÷ 633] x 100 = -50.08%
Formula
Percentage change = [(316 - 633) / 633] x 100
Subtract the new number by the original number
316 - 633 = -317
-317 ÷ 633 = -0.5007898894154819
-0.5007898894154819 x 100 = -50.08%