-55.41% is the change from 693 to 309
Calculation steps:
[( 309 - 693 ) ÷ 693] x 100 = -55.41%
Formula
Percentage change = [(309 - 693) / 693] x 100
Subtract the new number by the original number
309 - 693 = -384
-384 ÷ 693 = -0.5541125541125541
-0.5541125541125541 x 100 = -55.41%