-19.77% is the change from 693 to 556
Calculation steps:
[( 556 - 693 ) ÷ 693] x 100 = -19.77%
Formula
Percentage change = [(556 - 693) / 693] x 100
Subtract the new number by the original number
556 - 693 = -137
-137 ÷ 693 = -0.1976911976911977
-0.1976911976911977 x 100 = -19.77%