-64.63% is the change from 851 to 301
Calculation steps:
[( 301 - 851 ) ÷ 851] x 100 = -64.63%
Formula
Percentage change = [(301 - 851) / 851] x 100
Subtract the new number by the original number
301 - 851 = -550
-550 ÷ 851 = -0.6462984723854289
-0.6462984723854289 x 100 = -64.63%