-55.17% is the change from 319 to 143
Calculation steps:
[( 143 - 319 ) ÷ 319] x 100 = -55.17%
Formula
Percentage change = [(143 - 319) / 319] x 100
Subtract the new number by the original number
143 - 319 = -176
-176 ÷ 319 = -0.5517241379310345
-0.5517241379310345 x 100 = -55.17%