3730% is the change from 20 to 766
Calculation steps:
[( 766 - 20 ) ÷ 20] x 100 = 3730%
Formula
Percentage change = [(766 - 20) / 20] x 100
Subtract the new number by the original number
766 - 20 = 746
746 ÷ 20 = 37.3
37.3 x 100 = 3730%
Example