-12.6% is the change from 786 to 687
Calculation steps:
[( 687 - 786 ) ÷ 786] x 100 = -12.6%
Formula
Percentage change = [(687 - 786) / 786] x 100
Subtract the new number by the original number
687 - 786 = -99
-99 ÷ 786 = -0.12595419847328243
-0.12595419847328243 x 100 = -12.6%