-21.18% is the change from 628 to 495
Calculation steps:
[( 495 - 628 ) ÷ 628] x 100 = -21.18%
Formula
Percentage change = [(495 - 628) / 628] x 100
Subtract the new number by the original number
495 - 628 = -133
-133 ÷ 628 = -0.21178343949044587
-0.21178343949044587 x 100 = -21.18%