4785% is the change from 20 to 977
Calculation steps:
[( 977 - 20 ) ÷ 20] x 100 = 4785%
Formula
Percentage change = [(977 - 20) / 20] x 100
Subtract the new number by the original number
977 - 20 = 957
957 ÷ 20 = 47.85
47.85 x 100 = 4785%
Example