438.46% is the change from 13 to 70
Calculation steps:
[( 70 - 13 ) ÷ 13] x 100 = 438.46%
Formula
Percentage change = [(70 - 13) / 13] x 100
Subtract the new number by the original number
70 - 13 = 57
57 ÷ 13 = 4.384615384615385
4.384615384615385 x 100 = 438.46%