1262.5% is the change from 8 to 109
Calculation steps:
[( 109 - 8 ) ÷ 8] x 100 = 1262.5%
Formula
Percentage change = [(109 - 8) / 8] x 100
Subtract the new number by the original number
109 - 8 = 101
101 ÷ 8 = 12.625
12.625 x 100 = 1262.5%
Example