68.63% is the change from 204 to 344
Calculation steps:
[( 344 - 204 ) ÷ 204] x 100 = 68.63%
Formula
Percentage change = [(344 - 204) / 204] x 100
Subtract the new number by the original number
344 - 204 = 140
140 ÷ 204 = 0.6862745098039216
0.6862745098039216 x 100 = 68.63%