-85.71% is the change from 560 to 80
Calculation steps:
[( 80 - 560 ) ÷ 560] x 100 = -85.71%
Formula
Percentage change = [(80 - 560) / 560] x 100
Subtract the new number by the original number
80 - 560 = -480
-480 ÷ 560 = -0.8571428571428571
-0.8571428571428571 x 100 = -85.71%