-77.2% is the change from 693 to 158
Calculation steps:
[( 158 - 693 ) ÷ 693] x 100 = -77.2%
Formula
Percentage change = [(158 - 693) / 693] x 100
Subtract the new number by the original number
158 - 693 = -535
-535 ÷ 693 = -0.772005772005772
-0.772005772005772 x 100 = -77.2%