0.37% is the change from 815 to 818
Calculation steps:
[( 818 - 815 ) ÷ 815] x 100 = 0.37%
Formula
Percentage change = [(818 - 815) / 815] x 100
Subtract the new number by the original number
818 - 815 = 3
3 ÷ 815 = 0.0036809815950920245
0.0036809815950920245 x 100 = 0.37%