-93.74% is the change from 687 to 43
Calculation steps:
[( 43 - 687 ) ÷ 687] x 100 = -93.74%
Formula
Percentage change = [(43 - 687) / 687] x 100
Subtract the new number by the original number
43 - 687 = -644
-644 ÷ 687 = -0.9374090247452693
-0.9374090247452693 x 100 = -93.74%