-72.02% is the change from 486 to 136
Calculation steps:
[( 136 - 486 ) ÷ 486] x 100 = -72.02%
Formula
Percentage change = [(136 - 486) / 486] x 100
Subtract the new number by the original number
136 - 486 = -350
-350 ÷ 486 = -0.720164609053498
-0.720164609053498 x 100 = -72.02%