3995.24% is the change from 21 to 860
Calculation steps:
[( 860 - 21 ) ÷ 21] x 100 = 3995.24%
Formula
Percentage change = [(860 - 21) / 21] x 100
Subtract the new number by the original number
860 - 21 = 839
839 ÷ 21 = 39.95238095238095
39.95238095238095 x 100 = 3995.24%