-19.12% is the change from 319 to 258
Calculation steps:
[( 258 - 319 ) ÷ 319] x 100 = -19.12%
Formula
Percentage change = [(258 - 319) / 319] x 100
Subtract the new number by the original number
258 - 319 = -61
-61 ÷ 319 = -0.19122257053291536
-0.19122257053291536 x 100 = -19.12%