-66.44% is the change from 438 to 147
Calculation steps:
[( 147 - 438 ) ÷ 438] x 100 = -66.44%
Formula
Percentage change = [(147 - 438) / 438] x 100
Subtract the new number by the original number
147 - 438 = -291
-291 ÷ 438 = -0.6643835616438356
-0.6643835616438356 x 100 = -66.44%