21675% is the change from 4 to 871
Calculation steps:
[( 871 - 4 ) ÷ 4] x 100 = 21675%
Formula
Percentage change = [(871 - 4) / 4] x 100
Subtract the new number by the original number
871 - 4 = 867
867 ÷ 4 = 216.75
216.75 x 100 = 21675%
Example