-54.35% is the change from 644 to 294
Calculation steps:
[( 294 - 644 ) ÷ 644] x 100 = -54.35%
Formula
Percentage change = [(294 - 644) / 644] x 100
Subtract the new number by the original number
294 - 644 = -350
-350 ÷ 644 = -0.5434782608695652
-0.5434782608695652 x 100 = -54.35%