-69.46% is the change from 812 to 248
Calculation steps:
[( 248 - 812 ) ÷ 812] x 100 = -69.46%
Formula
Percentage change = [(248 - 812) / 812] x 100
Subtract the new number by the original number
248 - 812 = -564
-564 ÷ 812 = -0.6945812807881774
-0.6945812807881774 x 100 = -69.46%