1822.22% is the change from 45 to 865
Calculation steps:
[( 865 - 45 ) ÷ 45] x 100 = 1822.22%
Formula
Percentage change = [(865 - 45) / 45] x 100
Subtract the new number by the original number
865 - 45 = 820
820 ÷ 45 = 18.22222222222222
18.22222222222222 x 100 = 1822.22%