-83.86% is the change from 911 to 147
Calculation steps:
[( 147 - 911 ) ÷ 911] x 100 = -83.86%
Formula
Percentage change = [(147 - 911) / 911] x 100
Subtract the new number by the original number
147 - 911 = -764
-764 ÷ 911 = -0.8386388583973655
-0.8386388583973655 x 100 = -83.86%