-62.79% is the change from 911 to 339
Calculation steps:
[( 339 - 911 ) ÷ 911] x 100 = -62.79%
Formula
Percentage change = [(339 - 911) / 911] x 100
Subtract the new number by the original number
339 - 911 = -572
-572 ÷ 911 = -0.6278814489571899
-0.6278814489571899 x 100 = -62.79%