-13.5% is the change from 911 to 788
Calculation steps:
[( 788 - 911 ) ÷ 911] x 100 = -13.5%
Formula
Percentage change = [(788 - 911) / 911] x 100
Subtract the new number by the original number
788 - 911 = -123
-123 ÷ 911 = -0.1350164654226125
-0.1350164654226125 x 100 = -13.5%