-19.27% is the change from 628 to 507
Calculation steps:
[( 507 - 628 ) ÷ 628] x 100 = -19.27%
Formula
Percentage change = [(507 - 628) / 628] x 100
Subtract the new number by the original number
507 - 628 = -121
-121 ÷ 628 = -0.1926751592356688
-0.1926751592356688 x 100 = -19.27%