56.62% is the change from 219 to 343
Calculation steps:
[( 343 - 219 ) ÷ 219] x 100 = 56.62%
Formula
Percentage change = [(343 - 219) / 219] x 100
Subtract the new number by the original number
343 - 219 = 124
124 ÷ 219 = 0.5662100456621004
0.5662100456621004 x 100 = 56.62%