-49.75% is the change from 408 to 205
Calculation steps:
[( 205 - 408 ) ÷ 408] x 100 = -49.75%
Formula
Percentage change = [(205 - 408) / 408] x 100
Subtract the new number by the original number
205 - 408 = -203
-203 ÷ 408 = -0.49754901960784315
-0.49754901960784315 x 100 = -49.75%