-50.86% is the change from 407 to 200
Calculation steps:
[( 200 - 407 ) ÷ 407] x 100 = -50.86%
Formula
Percentage change = [(200 - 407) / 407] x 100
Subtract the new number by the original number
200 - 407 = -207
-207 ÷ 407 = -0.5085995085995086
-0.5085995085995086 x 100 = -50.86%