123.68% is the change from 228 to 510
Calculation steps:
[( 510 - 228 ) ÷ 228] x 100 = 123.68%
Formula
Percentage change = [(510 - 228) / 228] x 100
Subtract the new number by the original number
510 - 228 = 282
282 ÷ 228 = 1.236842105263158
1.236842105263158 x 100 = 123.68%