-56.77% is the change from 620 to 268
Calculation steps:
[( 268 - 620 ) ÷ 620] x 100 = -56.77%
Formula
Percentage change = [(268 - 620) / 620] x 100
Subtract the new number by the original number
268 - 620 = -352
-352 ÷ 620 = -0.567741935483871
-0.567741935483871 x 100 = -56.77%