21425% is the change from 4 to 861
Calculation steps:
[( 861 - 4 ) ÷ 4] x 100 = 21425%
Formula
Percentage change = [(861 - 4) / 4] x 100
Subtract the new number by the original number
861 - 4 = 857
857 ÷ 4 = 214.25
214.25 x 100 = 21425%
Example