-70.63% is the change from 504 to 148
Calculation steps:
[( 148 - 504 ) ÷ 504] x 100 = -70.63%
Formula
Percentage change = [(148 - 504) / 504] x 100
Subtract the new number by the original number
148 - 504 = -356
-356 ÷ 504 = -0.7063492063492064
-0.7063492063492064 x 100 = -70.63%