-29.22% is the change from 688 to 487
Calculation steps:
[( 487 - 688 ) ÷ 688] x 100 = -29.22%
Formula
Percentage change = [(487 - 688) / 688] x 100
Subtract the new number by the original number
487 - 688 = -201
-201 ÷ 688 = -0.2921511627906977
-0.2921511627906977 x 100 = -29.22%