109.13% is the change from 263 to 550
Calculation steps:
[( 550 - 263 ) ÷ 263] x 100 = 109.13%
Formula
Percentage change = [(550 - 263) / 263] x 100
Subtract the new number by the original number
550 - 263 = 287
287 ÷ 263 = 1.091254752851711
1.091254752851711 x 100 = 109.13%