978.75% is the change from 80 to 863
Calculation steps:
[( 863 - 80 ) ÷ 80] x 100 = 978.75%
Formula
Percentage change = [(863 - 80) / 80] x 100
Subtract the new number by the original number
863 - 80 = 783
783 ÷ 80 = 9.7875
9.7875 x 100 = 978.75%
Example