-28.27% is the change from 934 to 670
Calculation steps:
[( 670 - 934 ) ÷ 934] x 100 = -28.27%
Formula
Percentage change = [(670 - 934) / 934] x 100
Subtract the new number by the original number
670 - 934 = -264
-264 ÷ 934 = -0.2826552462526767
-0.2826552462526767 x 100 = -28.27%