-60.02% is the change from 863 to 345
Calculation steps:
[( 345 - 863 ) ÷ 863] x 100 = -60.02%
Formula
Percentage change = [(345 - 863) / 863] x 100
Subtract the new number by the original number
345 - 863 = -518
-518 ÷ 863 = -0.6002317497103129
-0.6002317497103129 x 100 = -60.02%