538.46% is the change from 104 to 664
Calculation steps:
[( 664 - 104 ) ÷ 104] x 100 = 538.46%
Formula
Percentage change = [(664 - 104) / 104] x 100
Subtract the new number by the original number
664 - 104 = 560
560 ÷ 104 = 5.384615384615385
5.384615384615385 x 100 = 538.46%