309.88% is the change from 162 to 664
Calculation steps:
[( 664 - 162 ) ÷ 162] x 100 = 309.88%
Formula
Percentage change = [(664 - 162) / 162] x 100
Subtract the new number by the original number
664 - 162 = 502
502 ÷ 162 = 3.0987654320987654
3.0987654320987654 x 100 = 309.88%