515.38% is the change from 13 to 80
Calculation steps:
[( 80 - 13 ) ÷ 13] x 100 = 515.38%
Formula
Percentage change = [(80 - 13) / 13] x 100
Subtract the new number by the original number
80 - 13 = 67
67 ÷ 13 = 5.153846153846154
5.153846153846154 x 100 = 515.38%