-31.1% is the change from 942 to 649
Calculation steps:
[( 649 - 942 ) ÷ 942] x 100 = -31.1%
Formula
Percentage change = [(649 - 942) / 942] x 100
Subtract the new number by the original number
649 - 942 = -293
-293 ÷ 942 = -0.31104033970276007
-0.31104033970276007 x 100 = -31.1%