6600% is the change from 13 to 871
Calculation steps:
[( 871 - 13 ) ÷ 13] x 100 = 6600%
Formula
Percentage change = [(871 - 13) / 13] x 100
Subtract the new number by the original number
871 - 13 = 858
858 ÷ 13 = 66
66 x 100 = 6600%
Example