-82.71% is the change from 983 to 170
Calculation steps:
[( 170 - 983 ) ÷ 983] x 100 = -82.71%
Formula
Percentage change = [(170 - 983) / 983] x 100
Subtract the new number by the original number
170 - 983 = -813
-813 ÷ 983 = -0.82706002034588
-0.82706002034588 x 100 = -82.71%