21300% is the change from 4 to 856
Calculation steps:
[( 856 - 4 ) ÷ 4] x 100 = 21300%
Formula
Percentage change = [(856 - 4) / 4] x 100
Subtract the new number by the original number
856 - 4 = 852
852 ÷ 4 = 213
213 x 100 = 21300%
Example