-71.04% is the change from 587 to 170
Calculation steps:
[( 170 - 587 ) ÷ 587] x 100 = -71.04%
Formula
Percentage change = [(170 - 587) / 587] x 100
Subtract the new number by the original number
170 - 587 = -417
-417 ÷ 587 = -0.7103918228279387
-0.7103918228279387 x 100 = -71.04%