83.85% is the change from 452 to 831
Calculation steps:
[( 831 - 452 ) ÷ 452] x 100 = 83.85%
Formula
Percentage change = [(831 - 452) / 452] x 100
Subtract the new number by the original number
831 - 452 = 379
379 ÷ 452 = 0.838495575221239
0.838495575221239 x 100 = 83.85%