38.38% is the change from 456 to 631
Calculation steps:
[( 631 - 456 ) ÷ 456] x 100 = 38.38%
Formula
Percentage change = [(631 - 456) / 456] x 100
Subtract the new number by the original number
631 - 456 = 175
175 ÷ 456 = 0.38377192982456143
0.38377192982456143 x 100 = 38.38%