20950% is the change from 4 to 842
Calculation steps:
[( 842 - 4 ) ÷ 4] x 100 = 20950%
Formula
Percentage change = [(842 - 4) / 4] x 100
Subtract the new number by the original number
842 - 4 = 838
838 ÷ 4 = 209.5
209.5 x 100 = 20950%
Example