-25.19% is the change from 266 to 199
Calculation steps:
[( 199 - 266 ) ÷ 266] x 100 = -25.19%
Formula
Percentage change = [(199 - 266) / 266] x 100
Subtract the new number by the original number
199 - 266 = -67
-67 ÷ 266 = -0.2518796992481203
-0.2518796992481203 x 100 = -25.19%