-85.82% is the change from 564 to 80
Calculation steps:
[( 80 - 564 ) ÷ 564] x 100 = -85.82%
Formula
Percentage change = [(80 - 564) / 564] x 100
Subtract the new number by the original number
80 - 564 = -484
-484 ÷ 564 = -0.8581560283687943
-0.8581560283687943 x 100 = -85.82%