1123.75% is the change from 80 to 979
Calculation steps:
[( 979 - 80 ) ÷ 80] x 100 = 1123.75%
Formula
Percentage change = [(979 - 80) / 80] x 100
Subtract the new number by the original number
979 - 80 = 899
899 ÷ 80 = 11.2375
11.2375 x 100 = 1123.75%