-15.33% is the change from 783 to 663
Calculation steps:
[( 663 - 783 ) ÷ 783] x 100 = -15.33%
Formula
Percentage change = [(663 - 783) / 783] x 100
Subtract the new number by the original number
663 - 783 = -120
-120 ÷ 783 = -0.1532567049808429
-0.1532567049808429 x 100 = -15.33%