278.93% is the change from 261 to 989
Calculation steps:
[( 989 - 261 ) ÷ 261] x 100 = 278.93%
Formula
Percentage change = [(989 - 261) / 261] x 100
Subtract the new number by the original number
989 - 261 = 728
728 ÷ 261 = 2.789272030651341
2.789272030651341 x 100 = 278.93%