-15.86% is the change from 788 to 663
Calculation steps:
[( 663 - 788 ) ÷ 788] x 100 = -15.86%
Formula
Percentage change = [(663 - 788) / 788] x 100
Subtract the new number by the original number
663 - 788 = -125
-125 ÷ 788 = -0.15862944162436549
-0.15862944162436549 x 100 = -15.86%