-37.37% is the change from 487 to 305
Calculation steps:
[( 305 - 487 ) ÷ 487] x 100 = -37.37%
Formula
Percentage change = [(305 - 487) / 487] x 100
Subtract the new number by the original number
305 - 487 = -182
-182 ÷ 487 = -0.3737166324435318
-0.3737166324435318 x 100 = -37.37%