-70.26% is the change from 454 to 135
Calculation steps:
[( 135 - 454 ) ÷ 454] x 100 = -70.26%
Formula
Percentage change = [(135 - 454) / 454] x 100
Subtract the new number by the original number
135 - 454 = -319
-319 ÷ 454 = -0.7026431718061674
-0.7026431718061674 x 100 = -70.26%