4038.1% is the change from 21 to 869
Calculation steps:
[( 869 - 21 ) ÷ 21] x 100 = 4038.1%
Formula
Percentage change = [(869 - 21) / 21] x 100
Subtract the new number by the original number
869 - 21 = 848
848 ÷ 21 = 40.38095238095238
40.38095238095238 x 100 = 4038.1%