-85.18% is the change from 911 to 135
Calculation steps:
[( 135 - 911 ) ÷ 911] x 100 = -85.18%
Formula
Percentage change = [(135 - 911) / 911] x 100
Subtract the new number by the original number
135 - 911 = -776
-776 ÷ 911 = -0.8518111964873765
-0.8518111964873765 x 100 = -85.18%