-28.3% is the change from 636 to 456
Calculation steps:
[( 456 - 636 ) ÷ 636] x 100 = -28.3%
Formula
Percentage change = [(456 - 636) / 636] x 100
Subtract the new number by the original number
456 - 636 = -180
-180 ÷ 636 = -0.2830188679245283
-0.2830188679245283 x 100 = -28.3%