-84.62% is the change from 455 to 70
Calculation steps:
[( 70 - 455 ) ÷ 455] x 100 = -84.62%
Formula
Percentage change = [(70 - 455) / 455] x 100
Subtract the new number by the original number
70 - 455 = -385
-385 ÷ 455 = -0.8461538461538461
-0.8461538461538461 x 100 = -84.62%