-16.12% is the change from 769 to 645
Calculation steps:
[( 645 - 769 ) ÷ 769] x 100 = -16.12%
Formula
Percentage change = [(645 - 769) / 769] x 100
Subtract the new number by the original number
645 - 769 = -124
-124 ÷ 769 = -0.16124837451235371
-0.16124837451235371 x 100 = -16.12%