122.17% is the change from 230 to 511
Calculation steps:
[( 511 - 230 ) ÷ 230] x 100 = 122.17%
Formula
Percentage change = [(511 - 230) / 230] x 100
Subtract the new number by the original number
511 - 230 = 281
281 ÷ 230 = 1.2217391304347827
1.2217391304347827 x 100 = 122.17%