-88.36% is the change from 567 to 66
Calculation steps:
[( 66 - 567 ) ÷ 567] x 100 = -88.36%
Formula
Percentage change = [(66 - 567) / 567] x 100
Subtract the new number by the original number
66 - 567 = -501
-501 ÷ 567 = -0.8835978835978836
-0.8835978835978836 x 100 = -88.36%