-52.77% is the change from 487 to 230
Calculation steps:
[( 230 - 487 ) ÷ 487] x 100 = -52.77%
Formula
Percentage change = [(230 - 487) / 487] x 100
Subtract the new number by the original number
230 - 487 = -257
-257 ÷ 487 = -0.5277207392197125
-0.5277207392197125 x 100 = -52.77%