-49.34% is the change from 983 to 498
Calculation steps:
[( 498 - 983 ) ÷ 983] x 100 = -49.34%
Formula
Percentage change = [(498 - 983) / 983] x 100
Subtract the new number by the original number
498 - 983 = -485
-485 ÷ 983 = -0.4933875890132248
-0.4933875890132248 x 100 = -49.34%