1859.52% is the change from 42 to 823
Calculation steps:
[( 823 - 42 ) ÷ 42] x 100 = 1859.52%
Formula
Percentage change = [(823 - 42) / 42] x 100
Subtract the new number by the original number
823 - 42 = 781
781 ÷ 42 = 18.595238095238095
18.595238095238095 x 100 = 1859.52%