-55.15% is the change from 709 to 318
Calculation steps:
[( 318 - 709 ) ÷ 709] x 100 = -55.15%
Formula
Percentage change = [(318 - 709) / 709] x 100
Subtract the new number by the original number
318 - 709 = -391
-391 ÷ 709 = -0.5514809590973202
-0.5514809590973202 x 100 = -55.15%