-84.07% is the change from 659 to 105
Calculation steps:
[( 105 - 659 ) ÷ 659] x 100 = -84.07%
Formula
Percentage change = [(105 - 659) / 659] x 100
Subtract the new number by the original number
105 - 659 = -554
-554 ÷ 659 = -0.8406676783004552
-0.8406676783004552 x 100 = -84.07%