-61.01% is the change from 636 to 248
Calculation steps:
[( 248 - 636 ) ÷ 636] x 100 = -61.01%
Formula
Percentage change = [(248 - 636) / 636] x 100
Subtract the new number by the original number
248 - 636 = -388
-388 ÷ 636 = -0.610062893081761
-0.610062893081761 x 100 = -61.01%