-47.79% is the change from 611 to 319
Calculation steps:
[( 319 - 611 ) ÷ 611] x 100 = -47.79%
Formula
Percentage change = [(319 - 611) / 611] x 100
Subtract the new number by the original number
319 - 611 = -292
-292 ÷ 611 = -0.4779050736497545
-0.4779050736497545 x 100 = -47.79%