-69.59% is the change from 490 to 149
Calculation steps:
[( 149 - 490 ) ÷ 490] x 100 = -69.59%
Formula
Percentage change = [(149 - 490) / 490] x 100
Subtract the new number by the original number
149 - 490 = -341
-341 ÷ 490 = -0.6959183673469388
-0.6959183673469388 x 100 = -69.59%