-79.91% is the change from 846 to 170
Calculation steps:
[( 170 - 846 ) ÷ 846] x 100 = -79.91%
Formula
Percentage change = [(170 - 846) / 846] x 100
Subtract the new number by the original number
170 - 846 = -676
-676 ÷ 846 = -0.7990543735224587
-0.7990543735224587 x 100 = -79.91%