-20.78% is the change from 693 to 549
Calculation steps:
[( 549 - 693 ) ÷ 693] x 100 = -20.78%
Formula
Percentage change = [(549 - 693) / 693] x 100
Subtract the new number by the original number
549 - 693 = -144
-144 ÷ 693 = -0.2077922077922078
-0.2077922077922078 x 100 = -20.78%