-54.49% is the change from 646 to 294
Calculation steps:
[( 294 - 646 ) ÷ 646] x 100 = -54.49%
Formula
Percentage change = [(294 - 646) / 646] x 100
Subtract the new number by the original number
294 - 646 = -352
-352 ÷ 646 = -0.544891640866873
-0.544891640866873 x 100 = -54.49%