-69.28% is the change from 485 to 149
Calculation steps:
[( 149 - 485 ) ÷ 485] x 100 = -69.28%
Formula
Percentage change = [(149 - 485) / 485] x 100
Subtract the new number by the original number
149 - 485 = -336
-336 ÷ 485 = -0.6927835051546392
-0.6927835051546392 x 100 = -69.28%