-29.96% is the change from 237 to 166
Calculation steps:
[( 166 - 237 ) ÷ 237] x 100 = -29.96%
Formula
Percentage change = [(166 - 237) / 237] x 100
Subtract the new number by the original number
166 - 237 = -71
-71 ÷ 237 = -0.29957805907172996
-0.29957805907172996 x 100 = -29.96%