-0.45% is the change from 665 to 662
Calculation steps:
[( 662 - 665 ) ÷ 665] x 100 = -0.45%
Formula
Percentage change = [(662 - 665) / 665] x 100
Subtract the new number by the original number
662 - 665 = -3
-3 ÷ 665 = -0.004511278195488722
-0.004511278195488722 x 100 = -0.45%