-95.32% is the change from 620 to 29
Calculation steps:
[( 29 - 620 ) ÷ 620] x 100 = -95.32%
Formula
Percentage change = [(29 - 620) / 620] x 100
Subtract the new number by the original number
29 - 620 = -591
-591 ÷ 620 = -0.9532258064516129
-0.9532258064516129 x 100 = -95.32%