-3.3% is the change from 303 to 293
Calculation steps:
[( 293 - 303 ) ÷ 303] x 100 = -3.3%
Formula
Percentage change = [(293 - 303) / 303] x 100
Subtract the new number by the original number
293 - 303 = -10
-10 ÷ 303 = -0.033003300330033
-0.033003300330033 x 100 = -3.3%