4171.43% is the change from 21 to 897
Calculation steps:
[( 897 - 21 ) ÷ 21] x 100 = 4171.43%
Formula
Percentage change = [(897 - 21) / 21] x 100
Subtract the new number by the original number
897 - 21 = 876
876 ÷ 21 = 41.714285714285715
41.714285714285715 x 100 = 4171.43%