-34.75% is the change from 938 to 612
Calculation steps:
[( 612 - 938 ) ÷ 938] x 100 = -34.75%
Formula
Percentage change = [(612 - 938) / 938] x 100
Subtract the new number by the original number
612 - 938 = -326
-326 ÷ 938 = -0.34754797441364604
-0.34754797441364604 x 100 = -34.75%