-43.1% is the change from 812 to 462
Calculation steps:
[( 462 - 812 ) ÷ 812] x 100 = -43.1%
Formula
Percentage change = [(462 - 812) / 812] x 100
Subtract the new number by the original number
462 - 812 = -350
-350 ÷ 812 = -0.43103448275862066
-0.43103448275862066 x 100 = -43.1%