-98.43% is the change from 636 to 10
Calculation steps:
[( 10 - 636 ) ÷ 636] x 100 = -98.43%
Formula
Percentage change = [(10 - 636) / 636] x 100
Subtract the new number by the original number
10 - 636 = -626
-626 ÷ 636 = -0.9842767295597484
-0.9842767295597484 x 100 = -98.43%