61.14% is the change from 211 to 340
Calculation steps:
[( 340 - 211 ) ÷ 211] x 100 = 61.14%
Formula
Percentage change = [(340 - 211) / 211] x 100
Subtract the new number by the original number
340 - 211 = 129
129 ÷ 211 = 0.6113744075829384
0.6113744075829384 x 100 = 61.14%