-64.08% is the change from 852 to 306
Calculation steps:
[( 306 - 852 ) ÷ 852] x 100 = -64.08%
Formula
Percentage change = [(306 - 852) / 852] x 100
Subtract the new number by the original number
306 - 852 = -546
-546 ÷ 852 = -0.6408450704225352
-0.6408450704225352 x 100 = -64.08%