-19.8% is the change from 783 to 628
Calculation steps:
[( 628 - 783 ) ÷ 783] x 100 = -19.8%
Formula
Percentage change = [(628 - 783) / 783] x 100
Subtract the new number by the original number
628 - 783 = -155
-155 ÷ 783 = -0.1979565772669221
-0.1979565772669221 x 100 = -19.8%