-43.74% is the change from 487 to 274
Calculation steps:
[( 274 - 487 ) ÷ 487] x 100 = -43.74%
Formula
Percentage change = [(274 - 487) / 487] x 100
Subtract the new number by the original number
274 - 487 = -213
-213 ÷ 487 = -0.43737166324435317
-0.43737166324435317 x 100 = -43.74%