-55.02% is the change from 438 to 197
Calculation steps:
[( 197 - 438 ) ÷ 438] x 100 = -55.02%
Formula
Percentage change = [(197 - 438) / 438] x 100
Subtract the new number by the original number
197 - 438 = -241
-241 ÷ 438 = -0.5502283105022832
-0.5502283105022832 x 100 = -55.02%