3770% is the change from 10 to 387
Calculation steps:
[( 387 - 10 ) ÷ 10] x 100 = 3770%
Formula
Percentage change = [(387 - 10) / 10] x 100
Subtract the new number by the original number
387 - 10 = 377
377 ÷ 10 = 37.7
37.7 x 100 = 3770%
Example