-9.41% is the change from 648 to 587
Calculation steps:
[( 587 - 648 ) ÷ 648] x 100 = -9.41%
Formula
Percentage change = [(587 - 648) / 648] x 100
Subtract the new number by the original number
587 - 648 = -61
-61 ÷ 648 = -0.0941358024691358
-0.0941358024691358 x 100 = -9.41%