-44.84% is the change from 620 to 342
Calculation steps:
[( 342 - 620 ) ÷ 620] x 100 = -44.84%
Formula
Percentage change = [(342 - 620) / 620] x 100
Subtract the new number by the original number
342 - 620 = -278
-278 ÷ 620 = -0.4483870967741935
-0.4483870967741935 x 100 = -44.84%