-30.66% is the change from 636 to 441
Calculation steps:
[( 441 - 636 ) ÷ 636] x 100 = -30.66%
Formula
Percentage change = [(441 - 636) / 636] x 100
Subtract the new number by the original number
441 - 636 = -195
-195 ÷ 636 = -0.30660377358490565
-0.30660377358490565 x 100 = -30.66%