56.88% is the change from 218 to 342
Calculation steps:
[( 342 - 218 ) ÷ 218] x 100 = 56.88%
Formula
Percentage change = [(342 - 218) / 218] x 100
Subtract the new number by the original number
342 - 218 = 124
124 ÷ 218 = 0.5688073394495413
0.5688073394495413 x 100 = 56.88%