64.78% is the change from 247 to 407
Calculation steps:
[( 407 - 247 ) ÷ 247] x 100 = 64.78%
Formula
Percentage change = [(407 - 247) / 247] x 100
Subtract the new number by the original number
407 - 247 = 160
160 ÷ 247 = 0.6477732793522267
0.6477732793522267 x 100 = 64.78%
Example