15.75% is the change from 857 to 992
Calculation steps:
[( 992 - 857 ) ÷ 857] x 100 = 15.75%
Formula
Percentage change = [(992 - 857) / 857] x 100
Subtract the new number by the original number
992 - 857 = 135
135 ÷ 857 = 0.15752625437572929
0.15752625437572929 x 100 = 15.75%