-61.43% is the change from 827 to 319
Calculation steps:
[( 319 - 827 ) ÷ 827] x 100 = -61.43%
Formula
Percentage change = [(319 - 827) / 827] x 100
Subtract the new number by the original number
319 - 827 = -508
-508 ÷ 827 = -0.6142684401451027
-0.6142684401451027 x 100 = -61.43%