-29.42% is the change from 938 to 662
Calculation steps:
[( 662 - 938 ) ÷ 938] x 100 = -29.42%
Formula
Percentage change = [(662 - 938) / 938] x 100
Subtract the new number by the original number
662 - 938 = -276
-276 ÷ 938 = -0.2942430703624733
-0.2942430703624733 x 100 = -29.42%