-20.58% is the change from 690 to 548
Calculation steps:
[( 548 - 690 ) ÷ 690] x 100 = -20.58%
Formula
Percentage change = [(548 - 690) / 690] x 100
Subtract the new number by the original number
548 - 690 = -142
-142 ÷ 690 = -0.20579710144927535
-0.20579710144927535 x 100 = -20.58%