-73.82% is the change from 974 to 255
Calculation steps:
[( 255 - 974 ) ÷ 974] x 100 = -73.82%
Formula
Percentage change = [(255 - 974) / 974] x 100
Subtract the new number by the original number
255 - 974 = -719
-719 ÷ 974 = -0.7381930184804928
-0.7381930184804928 x 100 = -73.82%