6384.62% is the change from 13 to 843
Calculation steps:
[( 843 - 13 ) ÷ 13] x 100 = 6384.62%
Formula
Percentage change = [(843 - 13) / 13] x 100
Subtract the new number by the original number
843 - 13 = 830
830 ÷ 13 = 63.84615384615385
63.84615384615385 x 100 = 6384.62%