-48.4% is the change from 810 to 418
Calculation steps:
[( 418 - 810 ) ÷ 810] x 100 = -48.4%
Formula
Percentage change = [(418 - 810) / 810] x 100
Subtract the new number by the original number
418 - 810 = -392
-392 ÷ 810 = -0.4839506172839506
-0.4839506172839506 x 100 = -48.4%