136.24% is the change from 218 to 515
Calculation steps:
[( 515 - 218 ) ÷ 218] x 100 = 136.24%
Formula
Percentage change = [(515 - 218) / 218] x 100
Subtract the new number by the original number
515 - 218 = 297
297 ÷ 218 = 1.3623853211009174
1.3623853211009174 x 100 = 136.24%