7850% is the change from 2 to 159
Calculation steps:
[( 159 - 2 ) ÷ 2] x 100 = 7850%
Formula
Percentage change = [(159 - 2) / 2] x 100
Subtract the new number by the original number
159 - 2 = 157
157 ÷ 2 = 78.5
78.5 x 100 = 7850%
Example