-8.41% is the change from 309 to 283
Calculation steps:
[( 283 - 309 ) ÷ 309] x 100 = -8.41%
Formula
Percentage change = [(283 - 309) / 309] x 100
Subtract the new number by the original number
283 - 309 = -26
-26 ÷ 309 = -0.08414239482200647
-0.08414239482200647 x 100 = -8.41%