-19.91% is the change from 693 to 555
Calculation steps:
[( 555 - 693 ) ÷ 693] x 100 = -19.91%
Formula
Percentage change = [(555 - 693) / 693] x 100
Subtract the new number by the original number
555 - 693 = -138
-138 ÷ 693 = -0.19913419913419914
-0.19913419913419914 x 100 = -19.91%