-74.16% is the change from 832 to 215
Calculation steps:
[( 215 - 832 ) ÷ 832] x 100 = -74.16%
Formula
Percentage change = [(215 - 832) / 832] x 100
Subtract the new number by the original number
215 - 832 = -617
-617 ÷ 832 = -0.7415865384615384
-0.7415865384615384 x 100 = -74.16%