-47.93% is the change from 651 to 339
Calculation steps:
[( 339 - 651 ) ÷ 651] x 100 = -47.93%
Formula
Percentage change = [(339 - 651) / 651] x 100
Subtract the new number by the original number
339 - 651 = -312
-312 ÷ 651 = -0.4792626728110599
-0.4792626728110599 x 100 = -47.93%