86.17% is the change from 441 to 821
Calculation steps:
[( 821 - 441 ) ÷ 441] x 100 = 86.17%
Formula
Percentage change = [(821 - 441) / 441] x 100
Subtract the new number by the original number
821 - 441 = 380
380 ÷ 441 = 0.8616780045351474
0.8616780045351474 x 100 = 86.17%