1845.24% is the change from 42 to 817
Calculation steps:
[( 817 - 42 ) ÷ 42] x 100 = 1845.24%
Formula
Percentage change = [(817 - 42) / 42] x 100
Subtract the new number by the original number
817 - 42 = 775
775 ÷ 42 = 18.452380952380953
18.452380952380953 x 100 = 1845.24%