0.12% is the change from 814 to 815
Calculation steps:
[( 815 - 814 ) ÷ 814] x 100 = 0.12%
Formula
Percentage change = [(815 - 814) / 814] x 100
Subtract the new number by the original number
815 - 814 = 1
1 ÷ 814 = 0.0012285012285012285
0.0012285012285012285 x 100 = 0.12%