-14.6% is the change from 911 to 778
Calculation steps:
[( 778 - 911 ) ÷ 911] x 100 = -14.6%
Formula
Percentage change = [(778 - 911) / 911] x 100
Subtract the new number by the original number
778 - 911 = -133
-133 ÷ 911 = -0.145993413830955
-0.145993413830955 x 100 = -14.6%