-53.92% is the change from 319 to 147
Calculation steps:
[( 147 - 319 ) ÷ 319] x 100 = -53.92%
Formula
Percentage change = [(147 - 319) / 319] x 100
Subtract the new number by the original number
147 - 319 = -172
-172 ÷ 319 = -0.5391849529780565
-0.5391849529780565 x 100 = -53.92%