274.9% is the change from 259 to 971
Calculation steps:
[( 971 - 259 ) ÷ 259] x 100 = 274.9%
Formula
Percentage change = [(971 - 259) / 259] x 100
Subtract the new number by the original number
971 - 259 = 712
712 ÷ 259 = 2.749034749034749
2.749034749034749 x 100 = 274.9%