47.15% is the change from 456 to 671
Calculation steps:
[( 671 - 456 ) ÷ 456] x 100 = 47.15%
Formula
Percentage change = [(671 - 456) / 456] x 100
Subtract the new number by the original number
671 - 456 = 215
215 ÷ 456 = 0.47149122807017546
0.47149122807017546 x 100 = 47.15%