-18.96% is the change from 786 to 637
Calculation steps:
[( 637 - 786 ) ÷ 786] x 100 = -18.96%
Formula
Percentage change = [(637 - 786) / 786] x 100
Subtract the new number by the original number
637 - 786 = -149
-149 ÷ 786 = -0.1895674300254453
-0.1895674300254453 x 100 = -18.96%