57.14% is the change from 217 to 341
Calculation steps:
[( 341 - 217 ) ÷ 217] x 100 = 57.14%
Formula
Percentage change = [(341 - 217) / 217] x 100
Subtract the new number by the original number
341 - 217 = 124
124 ÷ 217 = 0.5714285714285714
0.5714285714285714 x 100 = 57.14%