84.68% is the change from 457 to 844
Calculation steps:
[( 844 - 457 ) ÷ 457] x 100 = 84.68%
Formula
Percentage change = [(844 - 457) / 457] x 100
Subtract the new number by the original number
844 - 457 = 387
387 ÷ 457 = 0.8468271334792122
0.8468271334792122 x 100 = 84.68%