-9.57% is the change from 303 to 274
Calculation steps:
[( 274 - 303 ) ÷ 303] x 100 = -9.57%
Formula
Percentage change = [(274 - 303) / 303] x 100
Subtract the new number by the original number
274 - 303 = -29
-29 ÷ 303 = -0.09570957095709572
-0.09570957095709572 x 100 = -9.57%