-45.4% is the change from 989 to 540
Calculation steps:
[( 540 - 989 ) ÷ 989] x 100 = -45.4%
Formula
Percentage change = [(540 - 989) / 989] x 100
Subtract the new number by the original number
540 - 989 = -449
-449 ÷ 989 = -0.4539939332659252
-0.4539939332659252 x 100 = -45.4%