-85.19% is the change from 54 to 8
Calculation steps:
[( 8 - 54 ) ÷ 54] x 100 = -85.19%
Formula
Percentage change = [(8 - 54) / 54] x 100
Subtract the new number by the original number
8 - 54 = -46
-46 ÷ 54 = -0.8518518518518519
-0.8518518518518519 x 100 = -85.19%