-34.17% is the change from 957 to 630
Calculation steps:
[( 630 - 957 ) ÷ 957] x 100 = -34.17%
Formula
Percentage change = [(630 - 957) / 957] x 100
Subtract the new number by the original number
630 - 957 = -327
-327 ÷ 957 = -0.34169278996865204
-0.34169278996865204 x 100 = -34.17%