-55.57% is the change from 772 to 343
Calculation steps:
[( 343 - 772 ) ÷ 772] x 100 = -55.57%
Formula
Percentage change = [(343 - 772) / 772] x 100
Subtract the new number by the original number
343 - 772 = -429
-429 ÷ 772 = -0.555699481865285
-0.555699481865285 x 100 = -55.57%