61.32% is the change from 212 to 342
Calculation steps:
[( 342 - 212 ) ÷ 212] x 100 = 61.32%
Formula
Percentage change = [(342 - 212) / 212] x 100
Subtract the new number by the original number
342 - 212 = 130
130 ÷ 212 = 0.6132075471698113
0.6132075471698113 x 100 = 61.32%