-80.55% is the change from 401 to 78
Calculation steps:
[( 78 - 401 ) ÷ 401] x 100 = -80.55%
Formula
Percentage change = [(78 - 401) / 401] x 100
Subtract the new number by the original number
78 - 401 = -323
-323 ÷ 401 = -0.8054862842892768
-0.8054862842892768 x 100 = -80.55%