-59.46% is the change from 851 to 345
Calculation steps:
[( 345 - 851 ) ÷ 851] x 100 = -59.46%
Formula
Percentage change = [(345 - 851) / 851] x 100
Subtract the new number by the original number
345 - 851 = -506
-506 ÷ 851 = -0.5945945945945946
-0.5945945945945946 x 100 = -59.46%