-16.97% is the change from 766 to 636
Calculation steps:
[( 636 - 766 ) ÷ 766] x 100 = -16.97%
Formula
Percentage change = [(636 - 766) / 766] x 100
Subtract the new number by the original number
636 - 766 = -130
-130 ÷ 766 = -0.16971279373368145
-0.16971279373368145 x 100 = -16.97%