65.7% is the change from 207 to 343
Calculation steps:
[( 343 - 207 ) ÷ 207] x 100 = 65.7%
Formula
Percentage change = [(343 - 207) / 207] x 100
Subtract the new number by the original number
343 - 207 = 136
136 ÷ 207 = 0.6570048309178744
0.6570048309178744 x 100 = 65.7%