550.98% is the change from 102 to 664
Calculation steps:
[( 664 - 102 ) ÷ 102] x 100 = 550.98%
Formula
Percentage change = [(664 - 102) / 102] x 100
Subtract the new number by the original number
664 - 102 = 562
562 ÷ 102 = 5.509803921568627
5.509803921568627 x 100 = 550.98%