-13.23% is the change from 310 to 269
Calculation steps:
[( 269 - 310 ) ÷ 310] x 100 = -13.23%
Formula
Percentage change = [(269 - 310) / 310] x 100
Subtract the new number by the original number
269 - 310 = -41
-41 ÷ 310 = -0.13225806451612904
-0.13225806451612904 x 100 = -13.23%