1.86% is the change from 805 to 820
Calculation steps:
[( 820 - 805 ) ÷ 805] x 100 = 1.86%
Formula
Percentage change = [(820 - 805) / 805] x 100
Subtract the new number by the original number
820 - 805 = 15
15 ÷ 805 = 0.018633540372670808
0.018633540372670808 x 100 = 1.86%