646 is 190% of 340
Simply do the following,
1) divide,
[tex]646 \div 340 = 1.9[/tex]
2) multiply the above answer by 100
[tex]1.9 \times 100 = 190[/tex]
3) dock on that percent sign,
[tex]190\%[/tex]
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I hope that helps you out!!
Any more questions, please just ask me!!
~ Zoey