-98.77% is the change from 812 to 10
Calculation steps:
[( 10 - 812 ) ÷ 812] x 100 = -98.77%
Formula
Percentage change = [(10 - 812) / 812] x 100
Subtract the new number by the original number
10 - 812 = -802
-802 ÷ 812 = -0.9876847290640394
-0.9876847290640394 x 100 = -98.77%