243.35% is the change from 263 to 903
Calculation steps:
[( 903 - 263 ) ÷ 263] x 100 = 243.35%
Formula
Percentage change = [(903 - 263) / 263] x 100
Subtract the new number by the original number
903 - 263 = 640
640 ÷ 263 = 2.4334600760456273
2.4334600760456273 x 100 = 243.35%