7.34% is the change from 858 to 921
Calculation steps:
[( 921 - 858 ) ÷ 858] x 100 = 7.34%
Formula
Percentage change = [(921 - 858) / 858] x 100
Subtract the new number by the original number
921 - 858 = 63
63 ÷ 858 = 0.07342657342657342
0.07342657342657342 x 100 = 7.34%