-35.85% is the change from 636 to 408
Calculation steps:
[( 408 - 636 ) ÷ 636] x 100 = -35.85%
Formula
Percentage change = [(408 - 636) / 636] x 100
Subtract the new number by the original number
408 - 636 = -228
-228 ÷ 636 = -0.3584905660377358
-0.3584905660377358 x 100 = -35.85%