21100% is the change from 4 to 848
Calculation steps:
[( 848 - 4 ) ÷ 4] x 100 = 21100%
Formula
Percentage change = [(848 - 4) / 4] x 100
Subtract the new number by the original number
848 - 4 = 844
844 ÷ 4 = 211
211 x 100 = 21100%
Example