-48.22% is the change from 983 to 509
Calculation steps:
[( 509 - 983 ) ÷ 983] x 100 = -48.22%
Formula
Percentage change = [(509 - 983) / 983] x 100
Subtract the new number by the original number
509 - 983 = -474
-474 ÷ 983 = -0.4821973550356053
-0.4821973550356053 x 100 = -48.22%