15.4% is the change from 857 to 989
Calculation steps:
[( 989 - 857 ) ÷ 857] x 100 = 15.4%
Formula
Percentage change = [(989 - 857) / 857] x 100
Subtract the new number by the original number
989 - 857 = 132
132 ÷ 857 = 0.15402567094515754
0.15402567094515754 x 100 = 15.4%