4.2% is the change from 857 to 893
Calculation steps:
[( 893 - 857 ) ÷ 857] x 100 = 4.2%
Formula
Percentage change = [(893 - 857) / 857] x 100
Subtract the new number by the original number
893 - 857 = 36
36 ÷ 857 = 0.042007001166861145
0.042007001166861145 x 100 = 4.2%