115.35% is the change from 228 to 491
Calculation steps:
[( 491 - 228 ) ÷ 228] x 100 = 115.35%
Formula
Percentage change = [(491 - 228) / 228] x 100
Subtract the new number by the original number
491 - 228 = 263
263 ÷ 228 = 1.1535087719298245
1.1535087719298245 x 100 = 115.35%