-62.73% is the change from 856 to 319
Calculation steps:
[( 319 - 856 ) ÷ 856] x 100 = -62.73%
Formula
Percentage change = [(319 - 856) / 856] x 100
Subtract the new number by the original number
319 - 856 = -537
-537 ÷ 856 = -0.6273364485981309
-0.6273364485981309 x 100 = -62.73%