-83.33% is the change from 546 to 91
Calculation steps:
[( 91 - 546 ) ÷ 546] x 100 = -83.33%
Formula
Percentage change = [(91 - 546) / 546] x 100
Subtract the new number by the original number
91 - 546 = -455
-455 ÷ 546 = -0.8333333333333334
-0.8333333333333334 x 100 = -83.33%