-42.66% is the change from 497 to 285
Calculation steps:
[( 285 - 497 ) ÷ 497] x 100 = -42.66%
Formula
Percentage change = [(285 - 497) / 497] x 100
Subtract the new number by the original number
285 - 497 = -212
-212 ÷ 497 = -0.42655935613682094
-0.42655935613682094 x 100 = -42.66%