6646.15% is the change from 13 to 877
Calculation steps:
[( 877 - 13 ) ÷ 13] x 100 = 6646.15%
Formula
Percentage change = [(877 - 13) / 13] x 100
Subtract the new number by the original number
877 - 13 = 864
864 ÷ 13 = 66.46153846153847
66.46153846153847 x 100 = 6646.15%