-68.67% is the change from 849 to 266
Calculation steps:
[( 266 - 849 ) ÷ 849] x 100 = -68.67%
Formula
Percentage change = [(266 - 849) / 849] x 100
Subtract the new number by the original number
266 - 849 = -583
-583 ÷ 849 = -0.6866902237926973
-0.6866902237926973 x 100 = -68.67%