-10.19% is the change from 991 to 890
Calculation steps:
[( 890 - 991 ) ÷ 991] x 100 = -10.19%
Formula
Percentage change = [(890 - 991) / 991] x 100
Subtract the new number by the original number
890 - 991 = -101
-101 ÷ 991 = -0.10191725529767912
-0.10191725529767912 x 100 = -10.19%