-88.03% is the change from 585 to 70
Calculation steps:
[( 70 - 585 ) ÷ 585] x 100 = -88.03%
Formula
Percentage change = [(70 - 585) / 585] x 100
Subtract the new number by the original number
70 - 585 = -515
-515 ÷ 585 = -0.8803418803418803
-0.8803418803418803 x 100 = -88.03%