4600% is the change from 20 to 940
Calculation steps:
[( 940 - 20 ) ÷ 20] x 100 = 4600%
Formula
Percentage change = [(940 - 20) / 20] x 100
Subtract the new number by the original number
940 - 20 = 920
920 ÷ 20 = 46
46 x 100 = 4600%
Example