250.19% is the change from 263 to 921
Calculation steps:
[( 921 - 263 ) ÷ 263] x 100 = 250.19%
Formula
Percentage change = [(921 - 263) / 263] x 100
Subtract the new number by the original number
921 - 263 = 658
658 ÷ 263 = 2.5019011406844105
2.5019011406844105 x 100 = 250.19%