-46.06% is the change from 812 to 438
Calculation steps:
[( 438 - 812 ) ÷ 812] x 100 = -46.06%
Formula
Percentage change = [(438 - 812) / 812] x 100
Subtract the new number by the original number
438 - 812 = -374
-374 ÷ 812 = -0.4605911330049261
-0.4605911330049261 x 100 = -46.06%