8020% is the change from 10 to 812
Calculation steps:
[( 812 - 10 ) ÷ 10] x 100 = 8020%
Formula
Percentage change = [(812 - 10) / 10] x 100
Subtract the new number by the original number
812 - 10 = 802
802 ÷ 10 = 80.2
80.2 x 100 = 8020%
Example