-15.5% is the change from 787 to 665
Calculation steps:
[( 665 - 787 ) ÷ 787] x 100 = -15.5%
Formula
Percentage change = [(665 - 787) / 787] x 100
Subtract the new number by the original number
665 - 787 = -122
-122 ÷ 787 = -0.15501905972045743
-0.15501905972045743 x 100 = -15.5%