37700% is the change from 1 to 378
Calculation steps:
[( 378 - 1 ) ÷ 1] x 100 = 37700%
Formula
Percentage change = [(378 - 1) / 1] x 100
Subtract the new number by the original number
378 - 1 = 377
377 ÷ 1 = 377
377 x 100 = 37700%
Example