-10.16% is the change from 305 to 274
Calculation steps:
[( 274 - 305 ) ÷ 305] x 100 = -10.16%
Formula
Percentage change = [(274 - 305) / 305] x 100
Subtract the new number by the original number
274 - 305 = -31
-31 ÷ 305 = -0.10163934426229508
-0.10163934426229508 x 100 = -10.16%