-65.51% is the change from 983 to 339
Calculation steps:
[( 339 - 983 ) ÷ 983] x 100 = -65.51%
Formula
Percentage change = [(339 - 983) / 983] x 100
Subtract the new number by the original number
339 - 983 = -644
-644 ÷ 983 = -0.6551373346897253
-0.6551373346897253 x 100 = -65.51%