-65.11% is the change from 983 to 343
Calculation steps:
[( 343 - 983 ) ÷ 983] x 100 = -65.11%
Formula
Percentage change = [(343 - 983) / 983] x 100
Subtract the new number by the original number
343 - 983 = -640
-640 ÷ 983 = -0.6510681586978637
-0.6510681586978637 x 100 = -65.11%