1.5% is the change from 800 to 812
Calculation steps:
[( 812 - 800 ) ÷ 800] x 100 = 1.5%
Formula
Percentage change = [(812 - 800) / 800] x 100
Subtract the new number by the original number
812 - 800 = 12
12 ÷ 800 = 0.015
0.015 x 100 = 1.5%
Example