-69.55% is the change from 486 to 148
Calculation steps:
[( 148 - 486 ) ÷ 486] x 100 = -69.55%
Formula
Percentage change = [(148 - 486) / 486] x 100
Subtract the new number by the original number
148 - 486 = -338
-338 ÷ 486 = -0.6954732510288066
-0.6954732510288066 x 100 = -69.55%