240.36% is the change from 280 to 953
Calculation steps:
[( 953 - 280 ) ÷ 280] x 100 = 240.36%
Formula
Percentage change = [(953 - 280) / 280] x 100
Subtract the new number by the original number
953 - 280 = 673
673 ÷ 280 = 2.4035714285714285
2.4035714285714285 x 100 = 240.36%