-41.96% is the change from 286 to 166
Calculation steps:
[( 166 - 286 ) ÷ 286] x 100 = -41.96%
Formula
Percentage change = [(166 - 286) / 286] x 100
Subtract the new number by the original number
166 - 286 = -120
-120 ÷ 286 = -0.4195804195804196
-0.4195804195804196 x 100 = -41.96%