37900% is the change from 1 to 380
Calculation steps:
[( 380 - 1 ) ÷ 1] x 100 = 37900%
Formula
Percentage change = [(380 - 1) / 1] x 100
Subtract the new number by the original number
380 - 1 = 379
379 ÷ 1 = 379
379 x 100 = 37900%
Example