85.09% is the change from 456 to 844
Calculation steps:
[( 844 - 456 ) ÷ 456] x 100 = 85.09%
Formula
Percentage change = [(844 - 456) / 456] x 100
Subtract the new number by the original number
844 - 456 = 388
388 ÷ 456 = 0.8508771929824561
0.8508771929824561 x 100 = 85.09%