261.59% is the change from 276 to 998
Calculation steps:
[( 998 - 276 ) ÷ 276] x 100 = 261.59%
Formula
Percentage change = [(998 - 276) / 276] x 100
Subtract the new number by the original number
998 - 276 = 722
722 ÷ 276 = 2.6159420289855073
2.6159420289855073 x 100 = 261.59%