-69.48% is the change from 485 to 148
Calculation steps:
[( 148 - 485 ) ÷ 485] x 100 = -69.48%
Formula
Percentage change = [(148 - 485) / 485] x 100
Subtract the new number by the original number
148 - 485 = -337
-337 ÷ 485 = -0.6948453608247422
-0.6948453608247422 x 100 = -69.48%