-66.2% is the change from 932 to 315
Calculation steps:
[( 315 - 932 ) ÷ 932] x 100 = -66.2%
Formula
Percentage change = [(315 - 932) / 932] x 100
Subtract the new number by the original number
315 - 932 = -617
-617 ÷ 932 = -0.6620171673819742
-0.6620171673819742 x 100 = -66.2%