-63.97% is the change from 852 to 307
Calculation steps:
[( 307 - 852 ) ÷ 852] x 100 = -63.97%
Formula
Percentage change = [(307 - 852) / 852] x 100
Subtract the new number by the original number
307 - 852 = -545
-545 ÷ 852 = -0.6396713615023474
-0.6396713615023474 x 100 = -63.97%