-45.38% is the change from 628 to 343
Calculation steps:
[( 343 - 628 ) ÷ 628] x 100 = -45.38%
Formula
Percentage change = [(343 - 628) / 628] x 100
Subtract the new number by the original number
343 - 628 = -285
-285 ÷ 628 = -0.4538216560509554
-0.4538216560509554 x 100 = -45.38%