-69.78% is the change from 493 to 149
Calculation steps:
[( 149 - 493 ) ÷ 493] x 100 = -69.78%
Formula
Percentage change = [(149 - 493) / 493] x 100
Subtract the new number by the original number
149 - 493 = -344
-344 ÷ 493 = -0.6977687626774848
-0.6977687626774848 x 100 = -69.78%