1.61% is the change from 807 to 820
Calculation steps:
[( 820 - 807 ) ÷ 807] x 100 = 1.61%
Formula
Percentage change = [(820 - 807) / 807] x 100
Subtract the new number by the original number
820 - 807 = 13
13 ÷ 807 = 0.0161090458488228
0.0161090458488228 x 100 = 1.61%