-72.37% is the change from 438 to 121
Calculation steps:
[( 121 - 438 ) ÷ 438] x 100 = -72.37%
Formula
Percentage change = [(121 - 438) / 438] x 100
Subtract the new number by the original number
121 - 438 = -317
-317 ÷ 438 = -0.723744292237443
-0.723744292237443 x 100 = -72.37%