-48.63% is the change from 619 to 318
Calculation steps:
[( 318 - 619 ) ÷ 619] x 100 = -48.63%
Formula
Percentage change = [(318 - 619) / 619] x 100
Subtract the new number by the original number
318 - 619 = -301
-301 ÷ 619 = -0.4862681744749596
-0.4862681744749596 x 100 = -48.63%