6661.54% is the change from 13 to 879
Calculation steps:
[( 879 - 13 ) ÷ 13] x 100 = 6661.54%
Formula
Percentage change = [(879 - 13) / 13] x 100
Subtract the new number by the original number
879 - 13 = 866
866 ÷ 13 = 66.61538461538461
66.61538461538461 x 100 = 6661.54%