-54.69% is the change from 757 to 343
Calculation steps:
[( 343 - 757 ) ÷ 757] x 100 = -54.69%
Formula
Percentage change = [(343 - 757) / 757] x 100
Subtract the new number by the original number
343 - 757 = -414
-414 ÷ 757 = -0.5468956406869221
-0.5468956406869221 x 100 = -54.69%