-72.43% is the change from 497 to 137
Calculation steps:
[( 137 - 497 ) ÷ 497] x 100 = -72.43%
Formula
Percentage change = [(137 - 497) / 497] x 100
Subtract the new number by the original number
137 - 497 = -360
-360 ÷ 497 = -0.7243460764587525
-0.7243460764587525 x 100 = -72.43%