-15.59% is the change from 635 to 536
Calculation steps:
[( 536 - 635 ) ÷ 635] x 100 = -15.59%
Formula
Percentage change = [(536 - 635) / 635] x 100
Subtract the new number by the original number
536 - 635 = -99
-99 ÷ 635 = -0.15590551181102363
-0.15590551181102363 x 100 = -15.59%