-86.09% is the change from 266 to 37
Calculation steps:
[( 37 - 266 ) ÷ 266] x 100 = -86.09%
Formula
Percentage change = [(37 - 266) / 266] x 100
Subtract the new number by the original number
37 - 266 = -229
-229 ÷ 266 = -0.8609022556390977
-0.8609022556390977 x 100 = -86.09%