1819.05% is the change from 42 to 806
Calculation steps:
[( 806 - 42 ) ÷ 42] x 100 = 1819.05%
Formula
Percentage change = [(806 - 42) / 42] x 100
Subtract the new number by the original number
806 - 42 = 764
764 ÷ 42 = 18.19047619047619
18.19047619047619 x 100 = 1819.05%