56.16% is the change from 219 to 342
Calculation steps:
[( 342 - 219 ) ÷ 219] x 100 = 56.16%
Formula
Percentage change = [(342 - 219) / 219] x 100
Subtract the new number by the original number
342 - 219 = 123
123 ÷ 219 = 0.5616438356164384
0.5616438356164384 x 100 = 56.16%