-85.53% is the change from 546 to 79
Calculation steps:
[( 79 - 546 ) ÷ 546] x 100 = -85.53%
Formula
Percentage change = [(79 - 546) / 546] x 100
Subtract the new number by the original number
79 - 546 = -467
-467 ÷ 546 = -0.8553113553113553
-0.8553113553113553 x 100 = -85.53%