-52.72% is the change from 497 to 235
Calculation steps:
[( 235 - 497 ) ÷ 497] x 100 = -52.72%
Formula
Percentage change = [(235 - 497) / 497] x 100
Subtract the new number by the original number
235 - 497 = -262
-262 ÷ 497 = -0.5271629778672032
-0.5271629778672032 x 100 = -52.72%