-29.3% is the change from 703 to 497
Calculation steps:
[( 497 - 703 ) ÷ 703] x 100 = -29.3%
Formula
Percentage change = [(497 - 703) / 703] x 100
Subtract the new number by the original number
497 - 703 = -206
-206 ÷ 703 = -0.2930298719772404
-0.2930298719772404 x 100 = -29.3%