6.33% is the change from 664 to 706
Calculation steps:
[( 706 - 664 ) ÷ 664] x 100 = 6.33%
Formula
Percentage change = [(706 - 664) / 664] x 100
Subtract the new number by the original number
706 - 664 = 42
42 ÷ 664 = 0.06325301204819277
0.06325301204819277 x 100 = 6.33%