646.07% is the change from 89 to 664
Calculation steps:
[( 664 - 89 ) ÷ 89] x 100 = 646.07%
Formula
Percentage change = [(664 - 89) / 89] x 100
Subtract the new number by the original number
664 - 89 = 575
575 ÷ 89 = 6.46067415730337
6.46067415730337 x 100 = 646.07%