-15.87% is the change from 756 to 636
Calculation steps:
[( 636 - 756 ) ÷ 756] x 100 = -15.87%
Formula
Percentage change = [(636 - 756) / 756] x 100
Subtract the new number by the original number
636 - 756 = -120
-120 ÷ 756 = -0.15873015873015872
-0.15873015873015872 x 100 = -15.87%