-26.34% is the change from 911 to 671
Calculation steps:
[( 671 - 911 ) ÷ 911] x 100 = -26.34%
Formula
Percentage change = [(671 - 911) / 911] x 100
Subtract the new number by the original number
671 - 911 = -240
-240 ÷ 911 = -0.26344676180021953
-0.26344676180021953 x 100 = -26.34%