3619.05% is the change from 21 to 781
Calculation steps:
[( 781 - 21 ) ÷ 21] x 100 = 3619.05%
Formula
Percentage change = [(781 - 21) / 21] x 100
Subtract the new number by the original number
781 - 21 = 760
760 ÷ 21 = 36.19047619047619
36.19047619047619 x 100 = 3619.05%
Example