-61.55% is the change from 827 to 318
Calculation steps:
[( 318 - 827 ) ÷ 827] x 100 = -61.55%
Formula
Percentage change = [(318 - 827) / 827] x 100
Subtract the new number by the original number
318 - 827 = -509
-509 ÷ 827 = -0.6154776299879081
-0.6154776299879081 x 100 = -61.55%