-51.01% is the change from 247 to 121
Calculation steps:
[( 121 - 247 ) ÷ 247] x 100 = -51.01%
Formula
Percentage change = [(121 - 247) / 247] x 100
Subtract the new number by the original number
121 - 247 = -126
-126 ÷ 247 = -0.5101214574898786
-0.5101214574898786 x 100 = -51.01%