-84.74% is the change from 662 to 101
Calculation steps:
[( 101 - 662 ) ÷ 662] x 100 = -84.74%
Formula
Percentage change = [(101 - 662) / 662] x 100
Subtract the new number by the original number
101 - 662 = -561
-561 ÷ 662 = -0.8474320241691843
-0.8474320241691843 x 100 = -84.74%