-19.11% is the change from 628 to 508
Calculation steps:
[( 508 - 628 ) ÷ 628] x 100 = -19.11%
Formula
Percentage change = [(508 - 628) / 628] x 100
Subtract the new number by the original number
508 - 628 = -120
-120 ÷ 628 = -0.1910828025477707
-0.1910828025477707 x 100 = -19.11%