-61.02% is the change from 490 to 191
Calculation steps:
[( 191 - 490 ) ÷ 490] x 100 = -61.02%
Formula
Percentage change = [(191 - 490) / 490] x 100
Subtract the new number by the original number
191 - 490 = -299
-299 ÷ 490 = -0.610204081632653
-0.610204081632653 x 100 = -61.02%