-81.77% is the change from 406 to 74
Calculation steps:
[( 74 - 406 ) ÷ 406] x 100 = -81.77%
Formula
Percentage change = [(74 - 406) / 406] x 100
Subtract the new number by the original number
74 - 406 = -332
-332 ÷ 406 = -0.8177339901477833
-0.8177339901477833 x 100 = -81.77%