-79.64% is the change from 938 to 191
Calculation steps:
[( 191 - 938 ) ÷ 938] x 100 = -79.64%
Formula
Percentage change = [(191 - 938) / 938] x 100
Subtract the new number by the original number
191 - 938 = -747
-747 ÷ 938 = -0.7963752665245203
-0.7963752665245203 x 100 = -79.64%