-54.26% is the change from 317 to 145
Calculation steps:
[( 145 - 317 ) ÷ 317] x 100 = -54.26%
Formula
Percentage change = [(145 - 317) / 317] x 100
Subtract the new number by the original number
145 - 317 = -172
-172 ÷ 317 = -0.5425867507886435
-0.5425867507886435 x 100 = -54.26%