-79.42% is the change from 938 to 193
Calculation steps:
[( 193 - 938 ) ÷ 938] x 100 = -79.42%
Formula
Percentage change = [(193 - 938) / 938] x 100
Subtract the new number by the original number
193 - 938 = -745
-745 ÷ 938 = -0.7942430703624733
-0.7942430703624733 x 100 = -79.42%