-76.77% is the change from 620 to 144
Calculation steps:
[( 144 - 620 ) ÷ 620] x 100 = -76.77%
Formula
Percentage change = [(144 - 620) / 620] x 100
Subtract the new number by the original number
144 - 620 = -476
-476 ÷ 620 = -0.7677419354838709
-0.7677419354838709 x 100 = -76.77%