0.3% is the change from 662 to 664
Calculation steps:
[( 664 - 662 ) ÷ 662] x 100 = 0.3%
Formula
Percentage change = [(664 - 662) / 662] x 100
Subtract the new number by the original number
664 - 662 = 2
2 ÷ 662 = 0.0030211480362537764
0.0030211480362537764 x 100 = 0.3%