83.94% is the change from 442 to 813
Calculation steps:
[( 813 - 442 ) ÷ 442] x 100 = 83.94%
Formula
Percentage change = [(813 - 442) / 442] x 100
Subtract the new number by the original number
813 - 442 = 371
371 ÷ 442 = 0.8393665158371041
0.8393665158371041 x 100 = 83.94%