-6.38% is the change from 627 to 587
Calculation steps:
[( 587 - 627 ) ÷ 627] x 100 = -6.38%
Formula
Percentage change = [(587 - 627) / 627] x 100
Subtract the new number by the original number
587 - 627 = -40
-40 ÷ 627 = -0.06379585326953748
-0.06379585326953748 x 100 = -6.38%