-4.94% is the change from 911 to 866
Calculation steps:
[( 866 - 911 ) ÷ 911] x 100 = -4.94%
Formula
Percentage change = [(866 - 911) / 911] x 100
Subtract the new number by the original number
866 - 911 = -45
-45 ÷ 911 = -0.04939626783754116
-0.04939626783754116 x 100 = -4.94%