-86.61% is the change from 575 to 77
Calculation steps:
[( 77 - 575 ) ÷ 575] x 100 = -86.61%
Formula
Percentage change = [(77 - 575) / 575] x 100
Subtract the new number by the original number
77 - 575 = -498
-498 ÷ 575 = -0.8660869565217392
-0.8660869565217392 x 100 = -86.61%