65.85% is the change from 205 to 340
Calculation steps:
[( 340 - 205 ) ÷ 205] x 100 = 65.85%
Formula
Percentage change = [(340 - 205) / 205] x 100
Subtract the new number by the original number
340 - 205 = 135
135 ÷ 205 = 0.6585365853658537
0.6585365853658537 x 100 = 65.85%