-50.05% is the change from 987 to 493
Calculation steps:
[( 493 - 987 ) ÷ 987] x 100 = -50.05%
Formula
Percentage change = [(493 - 987) / 987] x 100
Subtract the new number by the original number
493 - 987 = -494
-494 ÷ 987 = -0.5005065856129686
-0.5005065856129686 x 100 = -50.05%