-12.71% is the change from 787 to 687
Calculation steps:
[( 687 - 787 ) ÷ 787] x 100 = -12.71%
Formula
Percentage change = [(687 - 787) / 787] x 100
Subtract the new number by the original number
687 - 787 = -100
-100 ÷ 787 = -0.12706480304955528
-0.12706480304955528 x 100 = -12.71%