-60.06% is the change from 636 to 254
Calculation steps:
[( 254 - 636 ) ÷ 636] x 100 = -60.06%
Formula
Percentage change = [(254 - 636) / 636] x 100
Subtract the new number by the original number
254 - 636 = -382
-382 ÷ 636 = -0.60062893081761
-0.60062893081761 x 100 = -60.06%