-73.91% is the change from 46 to 12
Calculation steps:
[( 12 - 46 ) ÷ 46] x 100 = -73.91%
Formula
Percentage change = [(12 - 46) / 46] x 100
Subtract the new number by the original number
12 - 46 = -34
-34 ÷ 46 = -0.7391304347826086
-0.7391304347826086 x 100 = -73.91%