-72.27% is the change from 851 to 236
Calculation steps:
[( 236 - 851 ) ÷ 851] x 100 = -72.27%
Formula
Percentage change = [(236 - 851) / 851] x 100
Subtract the new number by the original number
236 - 851 = -615
-615 ÷ 851 = -0.7226792009400705
-0.7226792009400705 x 100 = -72.27%