276.25% is the change from 80 to 301
Calculation steps:
[( 301 - 80 ) ÷ 80] x 100 = 276.25%
Formula
Percentage change = [(301 - 80) / 80] x 100
Subtract the new number by the original number
301 - 80 = 221
221 ÷ 80 = 2.7625
2.7625 x 100 = 276.25%
Example