93.08% is the change from 347 to 670
Calculation steps:
[( 670 - 347 ) ÷ 347] x 100 = 93.08%
Formula
Percentage change = [(670 - 347) / 347] x 100
Subtract the new number by the original number
670 - 347 = 323
323 ÷ 347 = 0.930835734870317
0.930835734870317 x 100 = 93.08%