-85.71% is the change from 567 to 81
Calculation steps:
[( 81 - 567 ) ÷ 567] x 100 = -85.71%
Formula
Percentage change = [(81 - 567) / 567] x 100
Subtract the new number by the original number
81 - 567 = -486
-486 ÷ 567 = -0.8571428571428571
-0.8571428571428571 x 100 = -85.71%