2.89% is the change from 797 to 820
Calculation steps:
[( 820 - 797 ) ÷ 797] x 100 = 2.89%
Formula
Percentage change = [(820 - 797) / 797] x 100
Subtract the new number by the original number
820 - 797 = 23
23 ÷ 797 = 0.028858218318695106
0.028858218318695106 x 100 = 2.89%