-37.66% is the change from 847 to 528
Calculation steps:
[( 528 - 847 ) ÷ 847] x 100 = -37.66%
Formula
Percentage change = [(528 - 847) / 847] x 100
Subtract the new number by the original number
528 - 847 = -319
-319 ÷ 847 = -0.37662337662337664
-0.37662337662337664 x 100 = -37.66%