2.18% is the change from 825 to 843
Calculation steps:
[( 843 - 825 ) ÷ 825] x 100 = 2.18%
Formula
Percentage change = [(843 - 825) / 825] x 100
Subtract the new number by the original number
843 - 825 = 18
18 ÷ 825 = 0.02181818181818182
0.02181818181818182 x 100 = 2.18%