1000% is the change from 79 to 869
Calculation steps:
[( 869 - 79 ) ÷ 79] x 100 = 1000%
Formula
Percentage change = [(869 - 79) / 79] x 100
Subtract the new number by the original number
869 - 79 = 790
790 ÷ 79 = 10
10 x 100 = 1000%
Example