-54.63% is the change from 648 to 294
Calculation steps:
[( 294 - 648 ) ÷ 648] x 100 = -54.63%
Formula
Percentage change = [(294 - 648) / 648] x 100
Subtract the new number by the original number
294 - 648 = -354
-354 ÷ 648 = -0.5462962962962963
-0.5462962962962963 x 100 = -54.63%