3946.15% is the change from 13 to 526
Calculation steps:
[( 526 - 13 ) ÷ 13] x 100 = 3946.15%
Formula
Percentage change = [(526 - 13) / 13] x 100
Subtract the new number by the original number
526 - 13 = 513
513 ÷ 13 = 39.46153846153846
39.46153846153846 x 100 = 3946.15%