-47.29% is the change from 628 to 331
Calculation steps:
[( 331 - 628 ) ÷ 628] x 100 = -47.29%
Formula
Percentage change = [(331 - 628) / 628] x 100
Subtract the new number by the original number
331 - 628 = -297
-297 ÷ 628 = -0.4729299363057325
-0.4729299363057325 x 100 = -47.29%