-76.93% is the change from 932 to 215
Calculation steps:
[( 215 - 932 ) ÷ 932] x 100 = -76.93%
Formula
Percentage change = [(215 - 932) / 932] x 100
Subtract the new number by the original number
215 - 932 = -717
-717 ÷ 932 = -0.76931330472103
-0.76931330472103 x 100 = -76.93%