-48.33% is the change from 987 to 510
Calculation steps:
[( 510 - 987 ) ÷ 987] x 100 = -48.33%
Formula
Percentage change = [(510 - 987) / 987] x 100
Subtract the new number by the original number
510 - 987 = -477
-477 ÷ 987 = -0.48328267477203646
-0.48328267477203646 x 100 = -48.33%