3580.95% is the change from 21 to 773
Calculation steps:
[( 773 - 21 ) ÷ 21] x 100 = 3580.95%
Formula
Percentage change = [(773 - 21) / 21] x 100
Subtract the new number by the original number
773 - 21 = 752
752 ÷ 21 = 35.80952380952381
35.80952380952381 x 100 = 3580.95%