3628.57% is the change from 21 to 783
Calculation steps:
[( 783 - 21 ) ÷ 21] x 100 = 3628.57%
Formula
Percentage change = [(783 - 21) / 21] x 100
Subtract the new number by the original number
783 - 21 = 762
762 ÷ 21 = 36.285714285714285
36.285714285714285 x 100 = 3628.57%