6307.69% is the change from 13 to 833
Calculation steps:
[( 833 - 13 ) ÷ 13] x 100 = 6307.69%
Formula
Percentage change = [(833 - 13) / 13] x 100
Subtract the new number by the original number
833 - 13 = 820
820 ÷ 13 = 63.07692307692308
63.07692307692308 x 100 = 6307.69%