-50.91% is the change from 662 to 325
Calculation steps:
[( 325 - 662 ) ÷ 662] x 100 = -50.91%
Formula
Percentage change = [(325 - 662) / 662] x 100
Subtract the new number by the original number
325 - 662 = -337
-337 ÷ 662 = -0.5090634441087614
-0.5090634441087614 x 100 = -50.91%