134.4% is the change from 218 to 511
Calculation steps:
[( 511 - 218 ) ÷ 218] x 100 = 134.4%
Formula
Percentage change = [(511 - 218) / 218] x 100
Subtract the new number by the original number
511 - 218 = 293
293 ÷ 218 = 1.3440366972477065
1.3440366972477065 x 100 = 134.4%