-17.78% is the change from 911 to 749
Calculation steps:
[( 749 - 911 ) ÷ 911] x 100 = -17.78%
Formula
Percentage change = [(749 - 911) / 911] x 100
Subtract the new number by the original number
749 - 911 = -162
-162 ÷ 911 = -0.1778265642151482
-0.1778265642151482 x 100 = -17.78%