-49.32% is the change from 809 to 410
Calculation steps:
[( 410 - 809 ) ÷ 809] x 100 = -49.32%
Formula
Percentage change = [(410 - 809) / 809] x 100
Subtract the new number by the original number
410 - 809 = -399
-399 ÷ 809 = -0.4932014833127318
-0.4932014833127318 x 100 = -49.32%