-78.92% is the change from 911 to 192
Calculation steps:
[( 192 - 911 ) ÷ 911] x 100 = -78.92%
Formula
Percentage change = [(192 - 911) / 911] x 100
Subtract the new number by the original number
192 - 911 = -719
-719 ÷ 911 = -0.7892425905598244
-0.7892425905598244 x 100 = -78.92%