-88.7% is the change from 699 to 79
Calculation steps:
[( 79 - 699 ) ÷ 699] x 100 = -88.7%
Formula
Percentage change = [(79 - 699) / 699] x 100
Subtract the new number by the original number
79 - 699 = -620
-620 ÷ 699 = -0.8869814020028612
-0.8869814020028612 x 100 = -88.7%