-61.93% is the change from 838 to 319
Calculation steps:
[( 319 - 838 ) ÷ 838] x 100 = -61.93%
Formula
Percentage change = [(319 - 838) / 838] x 100
Subtract the new number by the original number
319 - 838 = -519
-519 ÷ 838 = -0.6193317422434368
-0.6193317422434368 x 100 = -61.93%