-45.28% is the change from 815 to 446
Calculation steps:
[( 446 - 815 ) ÷ 815] x 100 = -45.28%
Formula
Percentage change = [(446 - 815) / 815] x 100
Subtract the new number by the original number
446 - 815 = -369
-369 ÷ 815 = -0.452760736196319
-0.452760736196319 x 100 = -45.28%