-92.24% is the change from 812 to 63
Calculation steps:
[( 63 - 812 ) ÷ 812] x 100 = -92.24%
Formula
Percentage change = [(63 - 812) / 812] x 100
Subtract the new number by the original number
63 - 812 = -749
-749 ÷ 812 = -0.9224137931034483
-0.9224137931034483 x 100 = -92.24%