262.15% is the change from 251 to 909
Calculation steps:
[( 909 - 251 ) ÷ 251] x 100 = 262.15%
Formula
Percentage change = [(909 - 251) / 251] x 100
Subtract the new number by the original number
909 - 251 = 658
658 ÷ 251 = 2.6215139442231075
2.6215139442231075 x 100 = 262.15%