-5.23% is the change from 707 to 670
Calculation steps:
[( 670 - 707 ) ÷ 707] x 100 = -5.23%
Formula
Percentage change = [(670 - 707) / 707] x 100
Subtract the new number by the original number
670 - 707 = -37
-37 ÷ 707 = -0.05233380480905234
-0.05233380480905234 x 100 = -5.23%