-14.77% is the change from 643 to 548
Calculation steps:
[( 548 - 643 ) ÷ 643] x 100 = -14.77%
Formula
Percentage change = [(548 - 643) / 643] x 100
Subtract the new number by the original number
548 - 643 = -95
-95 ÷ 643 = -0.14774494556765164
-0.14774494556765164 x 100 = -14.77%