-60.16% is the change from 620 to 247
Calculation steps:
[( 247 - 620 ) ÷ 620] x 100 = -60.16%
Formula
Percentage change = [(247 - 620) / 620] x 100
Subtract the new number by the original number
247 - 620 = -373
-373 ÷ 620 = -0.6016129032258064
-0.6016129032258064 x 100 = -60.16%