2123.81% is the change from 42 to 934
Calculation steps:
[( 934 - 42 ) ÷ 42] x 100 = 2123.81%
Formula
Percentage change = [(934 - 42) / 42] x 100
Subtract the new number by the original number
934 - 42 = 892
892 ÷ 42 = 21.238095238095237
21.238095238095237 x 100 = 2123.81%