-8.12% is the change from 628 to 577
Calculation steps:
[( 577 - 628 ) ÷ 628] x 100 = -8.12%
Formula
Percentage change = [(577 - 628) / 628] x 100
Subtract the new number by the original number
577 - 628 = -51
-51 ÷ 628 = -0.08121019108280254
-0.08121019108280254 x 100 = -8.12%