1122.5% is the change from 80 to 978
Calculation steps:
[( 978 - 80 ) ÷ 80] x 100 = 1122.5%
Formula
Percentage change = [(978 - 80) / 80] x 100
Subtract the new number by the original number
978 - 80 = 898
898 ÷ 80 = 11.225
11.225 x 100 = 1122.5%
Example