8.98% is the change from 857 to 934
Calculation steps:
[( 934 - 857 ) ÷ 857] x 100 = 8.98%
Formula
Percentage change = [(934 - 857) / 857] x 100
Subtract the new number by the original number
934 - 857 = 77
77 ÷ 857 = 0.08984830805134189
0.08984830805134189 x 100 = 8.98%