-54.75% is the change from 758 to 343
Calculation steps:
[( 343 - 758 ) ÷ 758] x 100 = -54.75%
Formula
Percentage change = [(343 - 758) / 758] x 100
Subtract the new number by the original number
343 - 758 = -415
-415 ÷ 758 = -0.5474934036939314
-0.5474934036939314 x 100 = -54.75%