-30.71% is the change from 967 to 670
Calculation steps:
[( 670 - 967 ) ÷ 967] x 100 = -30.71%
Formula
Percentage change = [(670 - 967) / 967] x 100
Subtract the new number by the original number
670 - 967 = -297
-297 ÷ 967 = -0.30713547052740436
-0.30713547052740436 x 100 = -30.71%