1830.95% is the change from 42 to 811
Calculation steps:
[( 811 - 42 ) ÷ 42] x 100 = 1830.95%
Formula
Percentage change = [(811 - 42) / 42] x 100
Subtract the new number by the original number
811 - 42 = 769
769 ÷ 42 = 18.30952380952381
18.30952380952381 x 100 = 1830.95%