-7.5% is the change from 627 to 580
Calculation steps:
[( 580 - 627 ) ÷ 627] x 100 = -7.5%
Formula
Percentage change = [(580 - 627) / 627] x 100
Subtract the new number by the original number
580 - 627 = -47
-47 ÷ 627 = -0.07496012759170653
-0.07496012759170653 x 100 = -7.5%