-98.82% is the change from 931 to 11
Calculation steps:
[( 11 - 931 ) ÷ 931] x 100 = -98.82%
Formula
Percentage change = [(11 - 931) / 931] x 100
Subtract the new number by the original number
11 - 931 = -920
-920 ÷ 931 = -0.9881847475832438
-0.9881847475832438 x 100 = -98.82%