-31.65% is the change from 812 to 555
Calculation steps:
[( 555 - 812 ) ÷ 812] x 100 = -31.65%
Formula
Percentage change = [(555 - 812) / 812] x 100
Subtract the new number by the original number
555 - 812 = -257
-257 ÷ 812 = -0.31650246305418717
-0.31650246305418717 x 100 = -31.65%