-50.47% is the change from 632 to 313
Calculation steps:
[( 313 - 632 ) ÷ 632] x 100 = -50.47%
Formula
Percentage change = [(313 - 632) / 632] x 100
Subtract the new number by the original number
313 - 632 = -319
-319 ÷ 632 = -0.504746835443038
-0.504746835443038 x 100 = -50.47%