-17.16% is the change from 303 to 251
Calculation steps:
[( 251 - 303 ) ÷ 303] x 100 = -17.16%
Formula
Percentage change = [(251 - 303) / 303] x 100
Subtract the new number by the original number
251 - 303 = -52
-52 ÷ 303 = -0.1716171617161716
-0.1716171617161716 x 100 = -17.16%