1840% is the change from 45 to 873
Calculation steps:
[( 873 - 45 ) ÷ 45] x 100 = 1840%
Formula
Percentage change = [(873 - 45) / 45] x 100
Subtract the new number by the original number
873 - 45 = 828
828 ÷ 45 = 18.4
18.4 x 100 = 1840%
Example