-87.7% is the change from 496 to 61
Calculation steps:
[( 61 - 496 ) ÷ 496] x 100 = -87.7%
Formula
Percentage change = [(61 - 496) / 496] x 100
Subtract the new number by the original number
61 - 496 = -435
-435 ÷ 496 = -0.8770161290322581
-0.8770161290322581 x 100 = -87.7%