1895% is the change from 40 to 798
Calculation steps:
[( 798 - 40 ) ÷ 40] x 100 = 1895%
Formula
Percentage change = [(798 - 40) / 40] x 100
Subtract the new number by the original number
798 - 40 = 758
758 ÷ 40 = 18.95
18.95 x 100 = 1895%
Example