-50.65% is the change from 693 to 342
Calculation steps:
[( 342 - 693 ) ÷ 693] x 100 = -50.65%
Formula
Percentage change = [(342 - 693) / 693] x 100
Subtract the new number by the original number
342 - 693 = -351
-351 ÷ 693 = -0.5064935064935064
-0.5064935064935064 x 100 = -50.65%