1995% is the change from 20 to 419
Calculation steps:
[( 419 - 20 ) ÷ 20] x 100 = 1995%
Formula
Percentage change = [(419 - 20) / 20] x 100
Subtract the new number by the original number
419 - 20 = 399
399 ÷ 20 = 19.95
19.95 x 100 = 1995%
Example