-31.03% is the change from 983 to 678
Calculation steps:
[( 678 - 983 ) ÷ 983] x 100 = -31.03%
Formula
Percentage change = [(678 - 983) / 983] x 100
Subtract the new number by the original number
678 - 983 = -305
-305 ÷ 983 = -0.31027466937945064
-0.31027466937945064 x 100 = -31.03%