-19.87% is the change from 307 to 246
Calculation steps:
[( 246 - 307 ) ÷ 307] x 100 = -19.87%
Formula
Percentage change = [(246 - 307) / 307] x 100
Subtract the new number by the original number
246 - 307 = -61
-61 ÷ 307 = -0.1986970684039088
-0.1986970684039088 x 100 = -19.87%