-42.01% is the change from 638 to 370
Calculation steps:
[( 370 - 638 ) ÷ 638] x 100 = -42.01%
Formula
Percentage change = [(370 - 638) / 638] x 100
Subtract the new number by the original number
370 - 638 = -268
-268 ÷ 638 = -0.4200626959247649
-0.4200626959247649 x 100 = -42.01%