1063.75% is the change from 80 to 931
Calculation steps:
[( 931 - 80 ) ÷ 80] x 100 = 1063.75%
Formula
Percentage change = [(931 - 80) / 80] x 100
Subtract the new number by the original number
931 - 80 = 851
851 ÷ 80 = 10.6375
10.6375 x 100 = 1063.75%