-77.66% is the change from 273 to 61
Calculation steps:
[( 61 - 273 ) ÷ 273] x 100 = -77.66%
Formula
Percentage change = [(61 - 273) / 273] x 100
Subtract the new number by the original number
61 - 273 = -212
-212 ÷ 273 = -0.7765567765567766
-0.7765567765567766 x 100 = -77.66%