2911.11% is the change from 9 to 271
Calculation steps:
[( 271 - 9 ) ÷ 9] x 100 = 2911.11%
Formula
Percentage change = [(271 - 9) / 9] x 100
Subtract the new number by the original number
271 - 9 = 262
262 ÷ 9 = 29.11111111111111
29.11111111111111 x 100 = 2911.11%