-84.68% is the change from 457 to 70
Calculation steps:
[( 70 - 457 ) ÷ 457] x 100 = -84.68%
Formula
Percentage change = [(70 - 457) / 457] x 100
Subtract the new number by the original number
70 - 457 = -387
-387 ÷ 457 = -0.8468271334792122
-0.8468271334792122 x 100 = -84.68%