-9.69% is the change from 650 to 587
Calculation steps:
[( 587 - 650 ) ÷ 650] x 100 = -9.69%
Formula
Percentage change = [(587 - 650) / 650] x 100
Subtract the new number by the original number
587 - 650 = -63
-63 ÷ 650 = -0.09692307692307692
-0.09692307692307692 x 100 = -9.69%