-43.23% is the change from 266 to 151
Calculation steps:
[( 151 - 266 ) ÷ 266] x 100 = -43.23%
Formula
Percentage change = [(151 - 266) / 266] x 100
Subtract the new number by the original number
151 - 266 = -115
-115 ÷ 266 = -0.4323308270676692
-0.4323308270676692 x 100 = -43.23%