1.44% is the change from 831 to 843
Calculation steps:
[( 843 - 831 ) ÷ 831] x 100 = 1.44%
Formula
Percentage change = [(843 - 831) / 831] x 100
Subtract the new number by the original number
843 - 831 = 12
12 ÷ 831 = 0.01444043321299639
0.01444043321299639 x 100 = 1.44%