4071.43% is the change from 21 to 876
Calculation steps:
[( 876 - 21 ) ÷ 21] x 100 = 4071.43%
Formula
Percentage change = [(876 - 21) / 21] x 100
Subtract the new number by the original number
876 - 21 = 855
855 ÷ 21 = 40.714285714285715
40.714285714285715 x 100 = 4071.43%