-1.9% is the change from 683 to 670
Calculation steps:
[( 670 - 683 ) ÷ 683] x 100 = -1.9%
Formula
Percentage change = [(670 - 683) / 683] x 100
Subtract the new number by the original number
670 - 683 = -13
-13 ÷ 683 = -0.01903367496339678
-0.01903367496339678 x 100 = -1.9%