-77.06% is the change from 693 to 159
Calculation steps:
[( 159 - 693 ) ÷ 693] x 100 = -77.06%
Formula
Percentage change = [(159 - 693) / 693] x 100
Subtract the new number by the original number
159 - 693 = -534
-534 ÷ 693 = -0.7705627705627706
-0.7705627705627706 x 100 = -77.06%