-15.17% is the change from 323 to 274
Calculation steps:
[( 274 - 323 ) ÷ 323] x 100 = -15.17%
Formula
Percentage change = [(274 - 323) / 323] x 100
Subtract the new number by the original number
274 - 323 = -49
-49 ÷ 323 = -0.15170278637770898
-0.15170278637770898 x 100 = -15.17%