-39.22% is the change from 487 to 296
Calculation steps:
[( 296 - 487 ) ÷ 487] x 100 = -39.22%
Formula
Percentage change = [(296 - 487) / 487] x 100
Subtract the new number by the original number
296 - 487 = -191
-191 ÷ 487 = -0.3921971252566735
-0.3921971252566735 x 100 = -39.22%