-58.7% is the change from 247 to 102
Calculation steps:
[( 102 - 247 ) ÷ 247] x 100 = -58.7%
Formula
Percentage change = [(102 - 247) / 247] x 100
Subtract the new number by the original number
102 - 247 = -145
-145 ÷ 247 = -0.5870445344129555
-0.5870445344129555 x 100 = -58.7%