86.28% is the change from 452 to 842
Calculation steps:
[( 842 - 452 ) ÷ 452] x 100 = 86.28%
Formula
Percentage change = [(842 - 452) / 452] x 100
Subtract the new number by the original number
842 - 452 = 390
390 ÷ 452 = 0.8628318584070797
0.8628318584070797 x 100 = 86.28%