-72.93% is the change from 942 to 255
Calculation steps:
[( 255 - 942 ) ÷ 942] x 100 = -72.93%
Formula
Percentage change = [(255 - 942) / 942] x 100
Subtract the new number by the original number
255 - 942 = -687
-687 ÷ 942 = -0.7292993630573248
-0.7292993630573248 x 100 = -72.93%