-88.05% is the change from 586 to 70
Calculation steps:
[( 70 - 586 ) ÷ 586] x 100 = -88.05%
Formula
Percentage change = [(70 - 586) / 586] x 100
Subtract the new number by the original number
70 - 586 = -516
-516 ÷ 586 = -0.8805460750853242
-0.8805460750853242 x 100 = -88.05%