-70.79% is the change from 582 to 170
Calculation steps:
[( 170 - 582 ) ÷ 582] x 100 = -70.79%
Formula
Percentage change = [(170 - 582) / 582] x 100
Subtract the new number by the original number
170 - 582 = -412
-412 ÷ 582 = -0.7079037800687286
-0.7079037800687286 x 100 = -70.79%