279.09% is the change from 263 to 997
Calculation steps:
[( 997 - 263 ) ÷ 263] x 100 = 279.09%
Formula
Percentage change = [(997 - 263) / 263] x 100
Subtract the new number by the original number
997 - 263 = 734
734 ÷ 263 = 2.790874524714829
2.790874524714829 x 100 = 279.09%