1112.5% is the change from 80 to 970
Calculation steps:
[( 970 - 80 ) ÷ 80] x 100 = 1112.5%
Formula
Percentage change = [(970 - 80) / 80] x 100
Subtract the new number by the original number
970 - 80 = 890
890 ÷ 80 = 11.125
11.125 x 100 = 1112.5%
Example