84.84% is the change from 442 to 817
Calculation steps:
[( 817 - 442 ) ÷ 442] x 100 = 84.84%
Formula
Percentage change = [(817 - 442) / 442] x 100
Subtract the new number by the original number
817 - 442 = 375
375 ÷ 442 = 0.8484162895927602
0.8484162895927602 x 100 = 84.84%