-85.9% is the change from 546 to 77
Calculation steps:
[( 77 - 546 ) ÷ 546] x 100 = -85.9%
Formula
Percentage change = [(77 - 546) / 546] x 100
Subtract the new number by the original number
77 - 546 = -469
-469 ÷ 546 = -0.8589743589743589
-0.8589743589743589 x 100 = -85.9%