-36.16% is the change from 636 to 406
Calculation steps:
[( 406 - 636 ) ÷ 636] x 100 = -36.16%
Formula
Percentage change = [(406 - 636) / 636] x 100
Subtract the new number by the original number
406 - 636 = -230
-230 ÷ 636 = -0.36163522012578614
-0.36163522012578614 x 100 = -36.16%