1926.19% is the change from 42 to 851
Calculation steps:
[( 851 - 42 ) ÷ 42] x 100 = 1926.19%
Formula
Percentage change = [(851 - 42) / 42] x 100
Subtract the new number by the original number
851 - 42 = 809
809 ÷ 42 = 19.261904761904763
19.261904761904763 x 100 = 1926.19%