-45.91% is the change from 636 to 344
Calculation steps:
[( 344 - 636 ) ÷ 636] x 100 = -45.91%
Formula
Percentage change = [(344 - 636) / 636] x 100
Subtract the new number by the original number
344 - 636 = -292
-292 ÷ 636 = -0.4591194968553459
-0.4591194968553459 x 100 = -45.91%