-15.1% is the change from 788 to 669
Calculation steps:
[( 669 - 788 ) ÷ 788] x 100 = -15.1%
Formula
Percentage change = [(669 - 788) / 788] x 100
Subtract the new number by the original number
669 - 788 = -119
-119 ÷ 788 = -0.15101522842639595
-0.15101522842639595 x 100 = -15.1%