986.25% is the change from 80 to 869
Calculation steps:
[( 869 - 80 ) ÷ 80] x 100 = 986.25%
Formula
Percentage change = [(869 - 80) / 80] x 100
Subtract the new number by the original number
869 - 80 = 789
789 ÷ 80 = 9.8625
9.8625 x 100 = 986.25%
Example