60.38% is the change from 212 to 340
Calculation steps:
[( 340 - 212 ) ÷ 212] x 100 = 60.38%
Formula
Percentage change = [(340 - 212) / 212] x 100
Subtract the new number by the original number
340 - 212 = 128
128 ÷ 212 = 0.6037735849056604
0.6037735849056604 x 100 = 60.38%