-54% is the change from 100 to 46
Calculation steps:
[( 46 - 100 ) ÷ 100] x 100 = -54%
Formula
Percentage change = [(46 - 100) / 100] x 100
Subtract the new number by the original number
46 - 100 = -54
-54 ÷ 100 = -0.54
-0.54 x 100 = -54%
Example