-33.12% is the change from 942 to 630
Calculation steps:
[( 630 - 942 ) ÷ 942] x 100 = -33.12%
Formula
Percentage change = [(630 - 942) / 942] x 100
Subtract the new number by the original number
630 - 942 = -312
-312 ÷ 942 = -0.33121019108280253
-0.33121019108280253 x 100 = -33.12%