-57.05% is the change from 319 to 137
Calculation steps:
[( 137 - 319 ) ÷ 319] x 100 = -57.05%
Formula
Percentage change = [(137 - 319) / 319] x 100
Subtract the new number by the original number
137 - 319 = -182
-182 ÷ 319 = -0.5705329153605015
-0.5705329153605015 x 100 = -57.05%