-63.5% is the change from 852 to 311
Calculation steps:
[( 311 - 852 ) ÷ 852] x 100 = -63.5%
Formula
Percentage change = [(311 - 852) / 852] x 100
Subtract the new number by the original number
311 - 852 = -541
-541 ÷ 852 = -0.6349765258215962
-0.6349765258215962 x 100 = -63.5%