-63.78% is the change from 497 to 180
Calculation steps:
[( 180 - 497 ) ÷ 497] x 100 = -63.78%
Formula
Percentage change = [(180 - 497) / 497] x 100
Subtract the new number by the original number
180 - 497 = -317
-317 ÷ 497 = -0.6378269617706237
-0.6378269617706237 x 100 = -63.78%