39.47% is the change from 456 to 636
Calculation steps:
[( 636 - 456 ) ÷ 456] x 100 = 39.47%
Formula
Percentage change = [(636 - 456) / 456] x 100
Subtract the new number by the original number
636 - 456 = 180
180 ÷ 456 = 0.39473684210526316
0.39473684210526316 x 100 = 39.47%