-83.1% is the change from 911 to 154
Calculation steps:
[( 154 - 911 ) ÷ 911] x 100 = -83.1%
Formula
Percentage change = [(154 - 911) / 911] x 100
Subtract the new number by the original number
154 - 911 = -757
-757 ÷ 911 = -0.8309549945115258
-0.8309549945115258 x 100 = -83.1%