-73.52% is the change from 457 to 121
Calculation steps:
[( 121 - 457 ) ÷ 457] x 100 = -73.52%
Formula
Percentage change = [(121 - 457) / 457] x 100
Subtract the new number by the original number
121 - 457 = -336
-336 ÷ 457 = -0.7352297592997812
-0.7352297592997812 x 100 = -73.52%