-15.67% is the change from 319 to 269
Calculation steps:
[( 269 - 319 ) ÷ 319] x 100 = -15.67%
Formula
Percentage change = [(269 - 319) / 319] x 100
Subtract the new number by the original number
269 - 319 = -50
-50 ÷ 319 = -0.15673981191222572
-0.15673981191222572 x 100 = -15.67%