20750% is the change from 4 to 834
Calculation steps:
[( 834 - 4 ) ÷ 4] x 100 = 20750%
Formula
Percentage change = [(834 - 4) / 4] x 100
Subtract the new number by the original number
834 - 4 = 830
830 ÷ 4 = 207.5
207.5 x 100 = 20750%
Example