-61.44% is the change from 638 to 246
Calculation steps:
[( 246 - 638 ) ÷ 638] x 100 = -61.44%
Formula
Percentage change = [(246 - 638) / 638] x 100
Subtract the new number by the original number
246 - 638 = -392
-392 ÷ 638 = -0.6144200626959248
-0.6144200626959248 x 100 = -61.44%