64.62% is the change from 212 to 349
Calculation steps:
[( 349 - 212 ) ÷ 212] x 100 = 64.62%
Formula
Percentage change = [(349 - 212) / 212] x 100
Subtract the new number by the original number
349 - 212 = 137
137 ÷ 212 = 0.6462264150943396
0.6462264150943396 x 100 = 64.62%