-64.38% is the change from 438 to 156
Calculation steps:
[( 156 - 438 ) ÷ 438] x 100 = -64.38%
Formula
Percentage change = [(156 - 438) / 438] x 100
Subtract the new number by the original number
156 - 438 = -282
-282 ÷ 438 = -0.6438356164383562
-0.6438356164383562 x 100 = -64.38%