376.25% is the change from 80 to 381
Calculation steps:
[( 381 - 80 ) ÷ 80] x 100 = 376.25%
Formula
Percentage change = [(381 - 80) / 80] x 100
Subtract the new number by the original number
381 - 80 = 301
301 ÷ 80 = 3.7625
3.7625 x 100 = 376.25%
Example