243.93% is the change from 280 to 963
Calculation steps:
[( 963 - 280 ) ÷ 280] x 100 = 243.93%
Formula
Percentage change = [(963 - 280) / 280] x 100
Subtract the new number by the original number
963 - 280 = 683
683 ÷ 280 = 2.4392857142857145
2.4392857142857145 x 100 = 243.93%