-29.83% is the change from 942 to 661
Calculation steps:
[( 661 - 942 ) ÷ 942] x 100 = -29.83%
Formula
Percentage change = [(661 - 942) / 942] x 100
Subtract the new number by the original number
661 - 942 = -281
-281 ÷ 942 = -0.29830148619957536
-0.29830148619957536 x 100 = -29.83%