-65.41% is the change from 983 to 340
Calculation steps:
[( 340 - 983 ) ÷ 983] x 100 = -65.41%
Formula
Percentage change = [(340 - 983) / 983] x 100
Subtract the new number by the original number
340 - 983 = -643
-643 ÷ 983 = -0.6541200406917599
-0.6541200406917599 x 100 = -65.41%