1537.5% is the change from 8 to 131
Calculation steps:
[( 131 - 8 ) ÷ 8] x 100 = 1537.5%
Formula
Percentage change = [(131 - 8) / 8] x 100
Subtract the new number by the original number
131 - 8 = 123
123 ÷ 8 = 15.375
15.375 x 100 = 1537.5%
Example