3504.76% is the change from 21 to 757
Calculation steps:
[( 757 - 21 ) ÷ 21] x 100 = 3504.76%
Formula
Percentage change = [(757 - 21) / 21] x 100
Subtract the new number by the original number
757 - 21 = 736
736 ÷ 21 = 35.04761904761905
35.04761904761905 x 100 = 3504.76%