1854.76% is the change from 42 to 821
Calculation steps:
[( 821 - 42 ) ÷ 42] x 100 = 1854.76%
Formula
Percentage change = [(821 - 42) / 42] x 100
Subtract the new number by the original number
821 - 42 = 779
779 ÷ 42 = 18.547619047619047
18.547619047619047 x 100 = 1854.76%