157.5% is the change from 80 to 206
Calculation steps:
[( 206 - 80 ) ÷ 80] x 100 = 157.5%
Formula
Percentage change = [(206 - 80) / 80] x 100
Subtract the new number by the original number
206 - 80 = 126
126 ÷ 80 = 1.575
1.575 x 100 = 157.5%
Example