-74.06% is the change from 987 to 256
Calculation steps:
[( 256 - 987 ) ÷ 987] x 100 = -74.06%
Formula
Percentage change = [(256 - 987) / 987] x 100
Subtract the new number by the original number
256 - 987 = -731
-731 ÷ 987 = -0.7406281661600811
-0.7406281661600811 x 100 = -74.06%