538.46% is the change from 130 to 830
Calculation steps:
[( 830 - 130 ) ÷ 130] x 100 = 538.46%
Formula
Percentage change = [(830 - 130) / 130] x 100
Subtract the new number by the original number
830 - 130 = 700
700 ÷ 130 = 5.384615384615385
5.384615384615385 x 100 = 538.46%