-96.67% is the change from 812 to 27
Calculation steps:
[( 27 - 812 ) ÷ 812] x 100 = -96.67%
Formula
Percentage change = [(27 - 812) / 812] x 100
Subtract the new number by the original number
27 - 812 = -785
-785 ÷ 812 = -0.9667487684729064
-0.9667487684729064 x 100 = -96.67%