-48.75% is the change from 800 to 410
Calculation steps:
[( 410 - 800 ) ÷ 800] x 100 = -48.75%
Formula
Percentage change = [(410 - 800) / 800] x 100
Subtract the new number by the original number
410 - 800 = -390
-390 ÷ 800 = -0.4875
-0.4875 x 100 = -48.75%