-77.9% is the change from 276 to 61
Calculation steps:
[( 61 - 276 ) ÷ 276] x 100 = -77.9%
Formula
Percentage change = [(61 - 276) / 276] x 100
Subtract the new number by the original number
61 - 276 = -215
-215 ÷ 276 = -0.7789855072463768
-0.7789855072463768 x 100 = -77.9%