-13.4% is the change from 306 to 265
Calculation steps:
[( 265 - 306 ) ÷ 306] x 100 = -13.4%
Formula
Percentage change = [(265 - 306) / 306] x 100
Subtract the new number by the original number
265 - 306 = -41
-41 ÷ 306 = -0.13398692810457516
-0.13398692810457516 x 100 = -13.4%