-82.76% is the change from 986 to 170
Calculation steps:
[( 170 - 986 ) ÷ 986] x 100 = -82.76%
Formula
Percentage change = [(170 - 986) / 986] x 100
Subtract the new number by the original number
170 - 986 = -816
-816 ÷ 986 = -0.8275862068965517
-0.8275862068965517 x 100 = -82.76%