-29.32% is the change from 948 to 670
Calculation steps:
[( 670 - 948 ) ÷ 948] x 100 = -29.32%
Formula
Percentage change = [(670 - 948) / 948] x 100
Subtract the new number by the original number
670 - 948 = -278
-278 ÷ 948 = -0.29324894514767935
-0.29324894514767935 x 100 = -29.32%