-73.94% is the change from 986 to 257
Calculation steps:
[( 257 - 986 ) ÷ 986] x 100 = -73.94%
Formula
Percentage change = [(257 - 986) / 986] x 100
Subtract the new number by the original number
257 - 986 = -729
-729 ÷ 986 = -0.7393509127789046
-0.7393509127789046 x 100 = -73.94%