-47.86% is the change from 911 to 475
Calculation steps:
[( 475 - 911 ) ÷ 911] x 100 = -47.86%
Formula
Percentage change = [(475 - 911) / 911] x 100
Subtract the new number by the original number
475 - 911 = -436
-436 ÷ 911 = -0.47859495060373214
-0.47859495060373214 x 100 = -47.86%