-7.76% is the change from 335 to 309
Calculation steps:
[( 309 - 335 ) ÷ 335] x 100 = -7.76%
Formula
Percentage change = [(309 - 335) / 335] x 100
Subtract the new number by the original number
309 - 335 = -26
-26 ÷ 335 = -0.07761194029850746
-0.07761194029850746 x 100 = -7.76%