-17.17% is the change from 984 to 815
Calculation steps:
[( 815 - 984 ) ÷ 984] x 100 = -17.17%
Formula
Percentage change = [(815 - 984) / 984] x 100
Subtract the new number by the original number
815 - 984 = -169
-169 ÷ 984 = -0.1717479674796748
-0.1717479674796748 x 100 = -17.17%