-11.8% is the change from 339 to 299
Calculation steps:
[( 299 - 339 ) ÷ 339] x 100 = -11.8%
Formula
Percentage change = [(299 - 339) / 339] x 100
Subtract the new number by the original number
299 - 339 = -40
-40 ÷ 339 = -0.11799410029498525
-0.11799410029498525 x 100 = -11.8%