-2.61% is the change from 306 to 298
Calculation steps:
[( 298 - 306 ) ÷ 306] x 100 = -2.61%
Formula
Percentage change = [(298 - 306) / 306] x 100
Subtract the new number by the original number
298 - 306 = -8
-8 ÷ 306 = -0.026143790849673203
-0.026143790849673203 x 100 = -2.61%