-50.39% is the change from 633 to 314
Calculation steps:
[( 314 - 633 ) ÷ 633] x 100 = -50.39%
Formula
Percentage change = [(314 - 633) / 633] x 100
Subtract the new number by the original number
314 - 633 = -319
-319 ÷ 633 = -0.5039494470774092
-0.5039494470774092 x 100 = -50.39%