-28.87% is the change from 942 to 670
Calculation steps:
[( 670 - 942 ) ÷ 942] x 100 = -28.87%
Formula
Percentage change = [(670 - 942) / 942] x 100
Subtract the new number by the original number
670 - 942 = -272
-272 ÷ 942 = -0.28874734607218683
-0.28874734607218683 x 100 = -28.87%