-76.94% is the change from 620 to 143
Calculation steps:
[( 143 - 620 ) ÷ 620] x 100 = -76.94%
Formula
Percentage change = [(143 - 620) / 620] x 100
Subtract the new number by the original number
143 - 620 = -477
-477 ÷ 620 = -0.7693548387096775
-0.7693548387096775 x 100 = -76.94%