-84.43% is the change from 456 to 71
Calculation steps:
[( 71 - 456 ) ÷ 456] x 100 = -84.43%
Formula
Percentage change = [(71 - 456) / 456] x 100
Subtract the new number by the original number
71 - 456 = -385
-385 ÷ 456 = -0.8442982456140351
-0.8442982456140351 x 100 = -84.43%