853.85% is the change from 13 to 124
Calculation steps:
[( 124 - 13 ) ÷ 13] x 100 = 853.85%
Formula
Percentage change = [(124 - 13) / 13] x 100
Subtract the new number by the original number
124 - 13 = 111
111 ÷ 13 = 8.538461538461538
8.538461538461538 x 100 = 853.85%