-53.63% is the change from 317 to 147
Calculation steps:
[( 147 - 317 ) ÷ 317] x 100 = -53.63%
Formula
Percentage change = [(147 - 317) / 317] x 100
Subtract the new number by the original number
147 - 317 = -170
-170 ÷ 317 = -0.5362776025236593
-0.5362776025236593 x 100 = -53.63%