3495.24% is the change from 21 to 755
Calculation steps:
[( 755 - 21 ) ÷ 21] x 100 = 3495.24%
Formula
Percentage change = [(755 - 21) / 21] x 100
Subtract the new number by the original number
755 - 21 = 734
734 ÷ 21 = 34.95238095238095
34.95238095238095 x 100 = 3495.24%