278.24% is the change from 262 to 991
Calculation steps:
[( 991 - 262 ) ÷ 262] x 100 = 278.24%
Formula
Percentage change = [(991 - 262) / 262] x 100
Subtract the new number by the original number
991 - 262 = 729
729 ÷ 262 = 2.782442748091603
2.782442748091603 x 100 = 278.24%