-53.31% is the change from 317 to 148
Calculation steps:
[( 148 - 317 ) ÷ 317] x 100 = -53.31%
Formula
Percentage change = [(148 - 317) / 317] x 100
Subtract the new number by the original number
148 - 317 = -169
-169 ÷ 317 = -0.5331230283911672
-0.5331230283911672 x 100 = -53.31%