-55.81% is the change from 620 to 274
Calculation steps:
[( 274 - 620 ) ÷ 620] x 100 = -55.81%
Formula
Percentage change = [(274 - 620) / 620] x 100
Subtract the new number by the original number
274 - 620 = -346
-346 ÷ 620 = -0.5580645161290323
-0.5580645161290323 x 100 = -55.81%