-9.35% is the change from 663 to 601
Calculation steps:
[( 601 - 663 ) ÷ 663] x 100 = -9.35%
Formula
Percentage change = [(601 - 663) / 663] x 100
Subtract the new number by the original number
601 - 663 = -62
-62 ÷ 663 = -0.09351432880844646
-0.09351432880844646 x 100 = -9.35%