236.25% is the change from 80 to 269
Calculation steps:
[( 269 - 80 ) ÷ 80] x 100 = 236.25%
Formula
Percentage change = [(269 - 80) / 80] x 100
Subtract the new number by the original number
269 - 80 = 189
189 ÷ 80 = 2.3625
2.3625 x 100 = 236.25%
Example