-39.12% is the change from 887 to 540
Calculation steps:
[( 540 - 887 ) ÷ 887] x 100 = -39.12%
Formula
Percentage change = [(540 - 887) / 887] x 100
Subtract the new number by the original number
540 - 887 = -347
-347 ÷ 887 = -0.39120631341600903
-0.39120631341600903 x 100 = -39.12%