-97.72% is the change from 438 to 10
Calculation steps:
[( 10 - 438 ) ÷ 438] x 100 = -97.72%
Formula
Percentage change = [(10 - 438) / 438] x 100
Subtract the new number by the original number
10 - 438 = -428
-428 ÷ 438 = -0.9771689497716894
-0.9771689497716894 x 100 = -97.72%