-69.22% is the change from 497 to 153
Calculation steps:
[( 153 - 497 ) ÷ 497] x 100 = -69.22%
Formula
Percentage change = [(153 - 497) / 497] x 100
Subtract the new number by the original number
153 - 497 = -344
-344 ÷ 497 = -0.6921529175050302
-0.6921529175050302 x 100 = -69.22%