1828.57% is the change from 42 to 810
Calculation steps:
[( 810 - 42 ) ÷ 42] x 100 = 1828.57%
Formula
Percentage change = [(810 - 42) / 42] x 100
Subtract the new number by the original number
810 - 42 = 768
768 ÷ 42 = 18.285714285714285
18.285714285714285 x 100 = 1828.57%