-57.29% is the change from 803 to 343
Calculation steps:
[( 343 - 803 ) ÷ 803] x 100 = -57.29%
Formula
Percentage change = [(343 - 803) / 803] x 100
Subtract the new number by the original number
343 - 803 = -460
-460 ÷ 803 = -0.572851805728518
-0.572851805728518 x 100 = -57.29%