-52.92% is the change from 497 to 234
Calculation steps:
[( 234 - 497 ) ÷ 497] x 100 = -52.92%
Formula
Percentage change = [(234 - 497) / 497] x 100
Subtract the new number by the original number
234 - 497 = -263
-263 ÷ 497 = -0.5291750503018109
-0.5291750503018109 x 100 = -52.92%