-83.99% is the change from 456 to 73
Calculation steps:
[( 73 - 456 ) ÷ 456] x 100 = -83.99%
Formula
Percentage change = [(73 - 456) / 456] x 100
Subtract the new number by the original number
73 - 456 = -383
-383 ÷ 456 = -0.8399122807017544
-0.8399122807017544 x 100 = -83.99%