-59.04% is the change from 249 to 102
Calculation steps:
[( 102 - 249 ) ÷ 249] x 100 = -59.04%
Formula
Percentage change = [(102 - 249) / 249] x 100
Subtract the new number by the original number
102 - 249 = -147
-147 ÷ 249 = -0.5903614457831325
-0.5903614457831325 x 100 = -59.04%