1081.25% is the change from 80 to 945
Calculation steps:
[( 945 - 80 ) ÷ 80] x 100 = 1081.25%
Formula
Percentage change = [(945 - 80) / 80] x 100
Subtract the new number by the original number
945 - 80 = 865
865 ÷ 80 = 10.8125
10.8125 x 100 = 1081.25%