-83.18% is the change from 666 to 112
Calculation steps:
[( 112 - 666 ) ÷ 666] x 100 = -83.18%
Formula
Percentage change = [(112 - 666) / 666] x 100
Subtract the new number by the original number
112 - 666 = -554
-554 ÷ 666 = -0.8318318318318318
-0.8318318318318318 x 100 = -83.18%