-46.58% is the change from 146 to 78
Calculation steps:
[( 78 - 146 ) ÷ 146] x 100 = -46.58%
Formula
Percentage change = [(78 - 146) / 146] x 100
Subtract the new number by the original number
78 - 146 = -68
-68 ÷ 146 = -0.4657534246575342
-0.4657534246575342 x 100 = -46.58%