249.62% is the change from 264 to 923
Calculation steps:
[( 923 - 264 ) ÷ 264] x 100 = 249.62%
Formula
Percentage change = [(923 - 264) / 264] x 100
Subtract the new number by the original number
923 - 264 = 659
659 ÷ 264 = 2.496212121212121
2.496212121212121 x 100 = 249.62%