-48.09% is the change from 628 to 326
Calculation steps:
[( 326 - 628 ) ÷ 628] x 100 = -48.09%
Formula
Percentage change = [(326 - 628) / 628] x 100
Subtract the new number by the original number
326 - 628 = -302
-302 ÷ 628 = -0.48089171974522293
-0.48089171974522293 x 100 = -48.09%