1637.5% is the change from 8 to 139
Calculation steps:
[( 139 - 8 ) ÷ 8] x 100 = 1637.5%
Formula
Percentage change = [(139 - 8) / 8] x 100
Subtract the new number by the original number
139 - 8 = 131
131 ÷ 8 = 16.375
16.375 x 100 = 1637.5%
Example