69.08% is the change from 207 to 350
Calculation steps:
[( 350 - 207 ) ÷ 207] x 100 = 69.08%
Formula
Percentage change = [(350 - 207) / 207] x 100
Subtract the new number by the original number
350 - 207 = 143
143 ÷ 207 = 0.6908212560386473
0.6908212560386473 x 100 = 69.08%