-84.85% is the change from 911 to 138
Calculation steps:
[( 138 - 911 ) ÷ 911] x 100 = -84.85%
Formula
Percentage change = [(138 - 911) / 911] x 100
Subtract the new number by the original number
138 - 911 = -773
-773 ÷ 911 = -0.8485181119648738
-0.8485181119648738 x 100 = -84.85%