-32.2% is the change from 851 to 577
Calculation steps:
[( 577 - 851 ) ÷ 851] x 100 = -32.2%
Formula
Percentage change = [(577 - 851) / 851] x 100
Subtract the new number by the original number
577 - 851 = -274
-274 ÷ 851 = -0.3219741480611046
-0.3219741480611046 x 100 = -32.2%