-80.84% is the change from 407 to 78
Calculation steps:
[( 78 - 407 ) ÷ 407] x 100 = -80.84%
Formula
Percentage change = [(78 - 407) / 407] x 100
Subtract the new number by the original number
78 - 407 = -329
-329 ÷ 407 = -0.8083538083538083
-0.8083538083538083 x 100 = -80.84%