-38.86% is the change from 911 to 557
Calculation steps:
[( 557 - 911 ) ÷ 911] x 100 = -38.86%
Formula
Percentage change = [(557 - 911) / 911] x 100
Subtract the new number by the original number
557 - 911 = -354
-354 ÷ 911 = -0.3885839736553238
-0.3885839736553238 x 100 = -38.86%