-46.53% is the change from 634 to 339
Calculation steps:
[( 339 - 634 ) ÷ 634] x 100 = -46.53%
Formula
Percentage change = [(339 - 634) / 634] x 100
Subtract the new number by the original number
339 - 634 = -295
-295 ÷ 634 = -0.46529968454258674
-0.46529968454258674 x 100 = -46.53%