100.24% is the change from 410 to 821
Calculation steps:
[( 821 - 410 ) ÷ 410] x 100 = 100.24%
Formula
Percentage change = [(821 - 410) / 410] x 100
Subtract the new number by the original number
821 - 410 = 411
411 ÷ 410 = 1.002439024390244
1.002439024390244 x 100 = 100.24%