-75.45% is the change from 497 to 122
Calculation steps:
[( 122 - 497 ) ÷ 497] x 100 = -75.45%
Formula
Percentage change = [(122 - 497) / 497] x 100
Subtract the new number by the original number
122 - 497 = -375
-375 ÷ 497 = -0.7545271629778671
-0.7545271629778671 x 100 = -75.45%