-76.18% is the change from 911 to 217
Calculation steps:
[( 217 - 911 ) ÷ 911] x 100 = -76.18%
Formula
Percentage change = [(217 - 911) / 911] x 100
Subtract the new number by the original number
217 - 911 = -694
-694 ÷ 911 = -0.7618002195389681
-0.7618002195389681 x 100 = -76.18%