1098.7% is the change from 77 to 923
Calculation steps:
[( 923 - 77 ) ÷ 77] x 100 = 1098.7%
Formula
Percentage change = [(923 - 77) / 77] x 100
Subtract the new number by the original number
923 - 77 = 846
846 ÷ 77 = 10.987012987012987
10.987012987012987 x 100 = 1098.7%