-69.47% is the change from 488 to 149
Calculation steps:
[( 149 - 488 ) ÷ 488] x 100 = -69.47%
Formula
Percentage change = [(149 - 488) / 488] x 100
Subtract the new number by the original number
149 - 488 = -339
-339 ÷ 488 = -0.694672131147541
-0.694672131147541 x 100 = -69.47%