-51.67% is the change from 987 to 477
Calculation steps:
[( 477 - 987 ) ÷ 987] x 100 = -51.67%
Formula
Percentage change = [(477 - 987) / 987] x 100
Subtract the new number by the original number
477 - 987 = -510
-510 ÷ 987 = -0.5167173252279635
-0.5167173252279635 x 100 = -51.67%