-83.84% is the change from 662 to 107
Calculation steps:
[( 107 - 662 ) ÷ 662] x 100 = -83.84%
Formula
Percentage change = [(107 - 662) / 662] x 100
Subtract the new number by the original number
107 - 662 = -555
-555 ÷ 662 = -0.8383685800604229
-0.8383685800604229 x 100 = -83.84%