-97.49% is the change from 438 to 11
Calculation steps:
[( 11 - 438 ) ÷ 438] x 100 = -97.49%
Formula
Percentage change = [(11 - 438) / 438] x 100
Subtract the new number by the original number
11 - 438 = -427
-427 ÷ 438 = -0.9748858447488584
-0.9748858447488584 x 100 = -97.49%