-61.03% is the change from 911 to 355
Calculation steps:
[( 355 - 911 ) ÷ 911] x 100 = -61.03%
Formula
Percentage change = [(355 - 911) / 911] x 100
Subtract the new number by the original number
355 - 911 = -556
-556 ÷ 911 = -0.610318331503842
-0.610318331503842 x 100 = -61.03%