-77.17% is the change from 863 to 197
Calculation steps:
[( 197 - 863 ) ÷ 863] x 100 = -77.17%
Formula
Percentage change = [(197 - 863) / 863] x 100
Subtract the new number by the original number
197 - 863 = -666
-666 ÷ 863 = -0.7717265353418308
-0.7717265353418308 x 100 = -77.17%