-71.57% is the change from 985 to 280
Calculation steps:
[( 280 - 985 ) ÷ 985] x 100 = -71.57%
Formula
Percentage change = [(280 - 985) / 985] x 100
Subtract the new number by the original number
280 - 985 = -705
-705 ÷ 985 = -0.7157360406091371
-0.7157360406091371 x 100 = -71.57%