-86.42% is the change from 567 to 77
Calculation steps:
[( 77 - 567 ) ÷ 567] x 100 = -86.42%
Formula
Percentage change = [(77 - 567) / 567] x 100
Subtract the new number by the original number
77 - 567 = -490
-490 ÷ 567 = -0.8641975308641975
-0.8641975308641975 x 100 = -86.42%