-98.33% is the change from 658 to 11
Calculation steps:
[( 11 - 658 ) ÷ 658] x 100 = -98.33%
Formula
Percentage change = [(11 - 658) / 658] x 100
Subtract the new number by the original number
11 - 658 = -647
-647 ÷ 658 = -0.9832826747720365
-0.9832826747720365 x 100 = -98.33%