-90.9% is the change from 659 to 60
Calculation steps:
[( 60 - 659 ) ÷ 659] x 100 = -90.9%
Formula
Percentage change = [(60 - 659) / 659] x 100
Subtract the new number by the original number
60 - 659 = -599
-599 ÷ 659 = -0.9089529590288316
-0.9089529590288316 x 100 = -90.9%