-75.3% is the change from 247 to 61
Calculation steps:
[( 61 - 247 ) ÷ 247] x 100 = -75.3%
Formula
Percentage change = [(61 - 247) / 247] x 100
Subtract the new number by the original number
61 - 247 = -186
-186 ÷ 247 = -0.7530364372469636
-0.7530364372469636 x 100 = -75.3%