-87.63% is the change from 566 to 70
Calculation steps:
[( 70 - 566 ) ÷ 566] x 100 = -87.63%
Formula
Percentage change = [(70 - 566) / 566] x 100
Subtract the new number by the original number
70 - 566 = -496
-496 ÷ 566 = -0.8763250883392226
-0.8763250883392226 x 100 = -87.63%