-66.77% is the change from 942 to 313
Calculation steps:
[( 313 - 942 ) ÷ 942] x 100 = -66.77%
Formula
Percentage change = [(313 - 942) / 942] x 100
Subtract the new number by the original number
313 - 942 = -629
-629 ÷ 942 = -0.667728237791932
-0.667728237791932 x 100 = -66.77%