-93.8% is the change from 629 to 39
Calculation steps:
[( 39 - 629 ) ÷ 629] x 100 = -93.8%
Formula
Percentage change = [(39 - 629) / 629] x 100
Subtract the new number by the original number
39 - 629 = -590
-590 ÷ 629 = -0.9379968203497615
-0.9379968203497615 x 100 = -93.8%