-52.82% is the change from 655 to 309
Calculation steps:
[( 309 - 655 ) ÷ 655] x 100 = -52.82%
Formula
Percentage change = [(309 - 655) / 655] x 100
Subtract the new number by the original number
309 - 655 = -346
-346 ÷ 655 = -0.5282442748091603
-0.5282442748091603 x 100 = -52.82%