-43.26% is the change from 319 to 181
Calculation steps:
[( 181 - 319 ) ÷ 319] x 100 = -43.26%
Formula
Percentage change = [(181 - 319) / 319] x 100
Subtract the new number by the original number
181 - 319 = -138
-138 ÷ 319 = -0.43260188087774293
-0.43260188087774293 x 100 = -43.26%