-39.85% is the change from 911 to 548
Calculation steps:
[( 548 - 911 ) ÷ 911] x 100 = -39.85%
Formula
Percentage change = [(548 - 911) / 911] x 100
Subtract the new number by the original number
548 - 911 = -363
-363 ÷ 911 = -0.39846322722283206
-0.39846322722283206 x 100 = -39.85%