5.02% is the change from 857 to 900
Calculation steps:
[( 900 - 857 ) ÷ 857] x 100 = 5.02%
Formula
Percentage change = [(900 - 857) / 857] x 100
Subtract the new number by the original number
900 - 857 = 43
43 ÷ 857 = 0.050175029171528586
0.050175029171528586 x 100 = 5.02%