489.88% is the change from 168 to 991
Calculation steps:
[( 991 - 168 ) ÷ 168] x 100 = 489.88%
Formula
Percentage change = [(991 - 168) / 168] x 100
Subtract the new number by the original number
991 - 168 = 823
823 ÷ 168 = 4.898809523809524
4.898809523809524 x 100 = 489.88%