-6.85% is the change from 321 to 299
Calculation steps:
[( 299 - 321 ) ÷ 321] x 100 = -6.85%
Formula
Percentage change = [(299 - 321) / 321] x 100
Subtract the new number by the original number
299 - 321 = -22
-22 ÷ 321 = -0.06853582554517133
-0.06853582554517133 x 100 = -6.85%