-28.95% is the change from 487 to 346
Calculation steps:
[( 346 - 487 ) ÷ 487] x 100 = -28.95%
Formula
Percentage change = [(346 - 487) / 487] x 100
Subtract the new number by the original number
346 - 487 = -141
-141 ÷ 487 = -0.28952772073921973
-0.28952772073921973 x 100 = -28.95%