-55.73% is the change from 698 to 309
Calculation steps:
[( 309 - 698 ) ÷ 698] x 100 = -55.73%
Formula
Percentage change = [(309 - 698) / 698] x 100
Subtract the new number by the original number
309 - 698 = -389
-389 ÷ 698 = -0.5573065902578797
-0.5573065902578797 x 100 = -55.73%