-48.63% is the change from 987 to 507
Calculation steps:
[( 507 - 987 ) ÷ 987] x 100 = -48.63%
Formula
Percentage change = [(507 - 987) / 987] x 100
Subtract the new number by the original number
507 - 987 = -480
-480 ÷ 987 = -0.48632218844984804
-0.48632218844984804 x 100 = -48.63%