-49.26% is the change from 812 to 412
Calculation steps:
[( 412 - 812 ) ÷ 812] x 100 = -49.26%
Formula
Percentage change = [(412 - 812) / 812] x 100
Subtract the new number by the original number
412 - 812 = -400
-400 ÷ 812 = -0.49261083743842365
-0.49261083743842365 x 100 = -49.26%