-80.34% is the change from 407 to 80
Calculation steps:
[( 80 - 407 ) ÷ 407] x 100 = -80.34%
Formula
Percentage change = [(80 - 407) / 407] x 100
Subtract the new number by the original number
80 - 407 = -327
-327 ÷ 407 = -0.8034398034398035
-0.8034398034398035 x 100 = -80.34%