-61.89% is the change from 837 to 319
Calculation steps:
[( 319 - 837 ) ÷ 837] x 100 = -61.89%
Formula
Percentage change = [(319 - 837) / 837] x 100
Subtract the new number by the original number
319 - 837 = -518
-518 ÷ 837 = -0.6188769414575866
-0.6188769414575866 x 100 = -61.89%