-4.33% is the change from 693 to 663
Calculation steps:
[( 663 - 693 ) ÷ 693] x 100 = -4.33%
Formula
Percentage change = [(663 - 693) / 693] x 100
Subtract the new number by the original number
663 - 693 = -30
-30 ÷ 693 = -0.04329004329004329
-0.04329004329004329 x 100 = -4.33%