-47.71% is the change from 633 to 331
Calculation steps:
[( 331 - 633 ) ÷ 633] x 100 = -47.71%
Formula
Percentage change = [(331 - 633) / 633] x 100
Subtract the new number by the original number
331 - 633 = -302
-302 ÷ 633 = -0.47709320695102686
-0.47709320695102686 x 100 = -47.71%