46.93% is the change from 456 to 670
Calculation steps:
[( 670 - 456 ) ÷ 456] x 100 = 46.93%
Formula
Percentage change = [(670 - 456) / 456] x 100
Subtract the new number by the original number
670 - 456 = 214
214 ÷ 456 = 0.4692982456140351
0.4692982456140351 x 100 = 46.93%