-14.31% is the change from 636 to 545
Calculation steps:
[( 545 - 636 ) ÷ 636] x 100 = -14.31%
Formula
Percentage change = [(545 - 636) / 636] x 100
Subtract the new number by the original number
545 - 636 = -91
-91 ÷ 636 = -0.1430817610062893
-0.1430817610062893 x 100 = -14.31%