-61.51% is the change from 491 to 189
Calculation steps:
[( 189 - 491 ) ÷ 491] x 100 = -61.51%
Formula
Percentage change = [(189 - 491) / 491] x 100
Subtract the new number by the original number
189 - 491 = -302
-302 ÷ 491 = -0.615071283095723
-0.615071283095723 x 100 = -61.51%