251.79% is the change from 280 to 985
Calculation steps:
[( 985 - 280 ) ÷ 280] x 100 = 251.79%
Formula
Percentage change = [(985 - 280) / 280] x 100
Subtract the new number by the original number
985 - 280 = 705
705 ÷ 280 = 2.517857142857143
2.517857142857143 x 100 = 251.79%