-75.2% is the change from 867 to 215
Calculation steps:
[( 215 - 867 ) ÷ 867] x 100 = -75.2%
Formula
Percentage change = [(215 - 867) / 867] x 100
Subtract the new number by the original number
215 - 867 = -652
-652 ÷ 867 = -0.7520184544405998
-0.7520184544405998 x 100 = -75.2%