61.97% is the change from 213 to 345
Calculation steps:
[( 345 - 213 ) ÷ 213] x 100 = 61.97%
Formula
Percentage change = [(345 - 213) / 213] x 100
Subtract the new number by the original number
345 - 213 = 132
132 ÷ 213 = 0.6197183098591549
0.6197183098591549 x 100 = 61.97%