84.51% is the change from 452 to 834
Calculation steps:
[( 834 - 452 ) ÷ 452] x 100 = 84.51%
Formula
Percentage change = [(834 - 452) / 452] x 100
Subtract the new number by the original number
834 - 452 = 382
382 ÷ 452 = 0.8451327433628318
0.8451327433628318 x 100 = 84.51%