-52.31% is the change from 497 to 237
Calculation steps:
[( 237 - 497 ) ÷ 497] x 100 = -52.31%
Formula
Percentage change = [(237 - 497) / 497] x 100
Subtract the new number by the original number
237 - 497 = -260
-260 ÷ 497 = -0.5231388329979879
-0.5231388329979879 x 100 = -52.31%