67.15% is the change from 207 to 346
Calculation steps:
[( 346 - 207 ) ÷ 207] x 100 = 67.15%
Formula
Percentage change = [(346 - 207) / 207] x 100
Subtract the new number by the original number
346 - 207 = 139
139 ÷ 207 = 0.6714975845410628
0.6714975845410628 x 100 = 67.15%