-14.57% is the change from 755 to 645
Calculation steps:
[( 645 - 755 ) ÷ 755] x 100 = -14.57%
Formula
Percentage change = [(645 - 755) / 755] x 100
Subtract the new number by the original number
645 - 755 = -110
-110 ÷ 755 = -0.1456953642384106
-0.1456953642384106 x 100 = -14.57%