-50.38% is the change from 655 to 325
Calculation steps:
[( 325 - 655 ) ÷ 655] x 100 = -50.38%
Formula
Percentage change = [(325 - 655) / 655] x 100
Subtract the new number by the original number
325 - 655 = -330
-330 ÷ 655 = -0.5038167938931297
-0.5038167938931297 x 100 = -50.38%