-42.86% is the change from 266 to 152
Calculation steps:
[( 152 - 266 ) ÷ 266] x 100 = -42.86%
Formula
Percentage change = [(152 - 266) / 266] x 100
Subtract the new number by the original number
152 - 266 = -114
-114 ÷ 266 = -0.42857142857142855
-0.42857142857142855 x 100 = -42.86%