-79.05% is the change from 401 to 84
Calculation steps:
[( 84 - 401 ) ÷ 401] x 100 = -79.05%
Formula
Percentage change = [(84 - 401) / 401] x 100
Subtract the new number by the original number
84 - 401 = -317
-317 ÷ 401 = -0.7905236907730673
-0.7905236907730673 x 100 = -79.05%