373.75% is the change from 80 to 379
Calculation steps:
[( 379 - 80 ) ÷ 80] x 100 = 373.75%
Formula
Percentage change = [(379 - 80) / 80] x 100
Subtract the new number by the original number
379 - 80 = 299
299 ÷ 80 = 3.7375
3.7375 x 100 = 373.75%
Example