-77.58% is the change from 852 to 191
Calculation steps:
[( 191 - 852 ) ÷ 852] x 100 = -77.58%
Formula
Percentage change = [(191 - 852) / 852] x 100
Subtract the new number by the original number
191 - 852 = -661
-661 ÷ 852 = -0.7758215962441315
-0.7758215962441315 x 100 = -77.58%