-72.72% is the change from 942 to 257
Calculation steps:
[( 257 - 942 ) ÷ 942] x 100 = -72.72%
Formula
Percentage change = [(257 - 942) / 942] x 100
Subtract the new number by the original number
257 - 942 = -685
-685 ÷ 942 = -0.727176220806794
-0.727176220806794 x 100 = -72.72%