-85.92% is the change from 547 to 77
Calculation steps:
[( 77 - 547 ) ÷ 547] x 100 = -85.92%
Formula
Percentage change = [(77 - 547) / 547] x 100
Subtract the new number by the original number
77 - 547 = -470
-470 ÷ 547 = -0.8592321755027422
-0.8592321755027422 x 100 = -85.92%