255.36% is the change from 280 to 995
Calculation steps:
[( 995 - 280 ) ÷ 280] x 100 = 255.36%
Formula
Percentage change = [(995 - 280) / 280] x 100
Subtract the new number by the original number
995 - 280 = 715
715 ÷ 280 = 2.5535714285714284
2.5535714285714284 x 100 = 255.36%