-19.08% is the change from 786 to 636
Calculation steps:
[( 636 - 786 ) ÷ 786] x 100 = -19.08%
Formula
Percentage change = [(636 - 786) / 786] x 100
Subtract the new number by the original number
636 - 786 = -150
-150 ÷ 786 = -0.19083969465648856
-0.19083969465648856 x 100 = -19.08%