1780% is the change from 20 to 376
Calculation steps:
[( 376 - 20 ) ÷ 20] x 100 = 1780%
Formula
Percentage change = [(376 - 20) / 20] x 100
Subtract the new number by the original number
376 - 20 = 356
356 ÷ 20 = 17.8
17.8 x 100 = 1780%
Example