3638.1% is the change from 21 to 785
Calculation steps:
[( 785 - 21 ) ÷ 21] x 100 = 3638.1%
Formula
Percentage change = [(785 - 21) / 21] x 100
Subtract the new number by the original number
785 - 21 = 764
764 ÷ 21 = 36.38095238095238
36.38095238095238 x 100 = 3638.1%