-48.49% is the change from 662 to 341
Calculation steps:
[( 341 - 662 ) ÷ 662] x 100 = -48.49%
Formula
Percentage change = [(341 - 662) / 662] x 100
Subtract the new number by the original number
341 - 662 = -321
-321 ÷ 662 = -0.48489425981873113
-0.48489425981873113 x 100 = -48.49%