102.86% is the change from 420 to 852
Calculation steps:
[( 852 - 420 ) ÷ 420] x 100 = 102.86%
Formula
Percentage change = [(852 - 420) / 420] x 100
Subtract the new number by the original number
852 - 420 = 432
432 ÷ 420 = 1.0285714285714285
1.0285714285714285 x 100 = 102.86%