-8.36% is the change from 335 to 307
Calculation steps:
[( 307 - 335 ) ÷ 335] x 100 = -8.36%
Formula
Percentage change = [(307 - 335) / 335] x 100
Subtract the new number by the original number
307 - 335 = -28
-28 ÷ 335 = -0.08358208955223881
-0.08358208955223881 x 100 = -8.36%