-54.26% is the change from 645 to 295
Calculation steps:
[( 295 - 645 ) ÷ 645] x 100 = -54.26%
Formula
Percentage change = [(295 - 645) / 645] x 100
Subtract the new number by the original number
295 - 645 = -350
-350 ÷ 645 = -0.5426356589147286
-0.5426356589147286 x 100 = -54.26%