546.15% is the change from 13 to 84
Calculation steps:
[( 84 - 13 ) ÷ 13] x 100 = 546.15%
Formula
Percentage change = [(84 - 13) / 13] x 100
Subtract the new number by the original number
84 - 13 = 71
71 ÷ 13 = 5.461538461538462
5.461538461538462 x 100 = 546.15%