2211.9% is the change from 42 to 971
Calculation steps:
[( 971 - 42 ) ÷ 42] x 100 = 2211.9%
Formula
Percentage change = [(971 - 42) / 42] x 100
Subtract the new number by the original number
971 - 42 = 929
929 ÷ 42 = 22.11904761904762
22.11904761904762 x 100 = 2211.9%