-21.52% is the change from 237 to 186
Calculation steps:
[( 186 - 237 ) ÷ 237] x 100 = -21.52%
Formula
Percentage change = [(186 - 237) / 237] x 100
Subtract the new number by the original number
186 - 237 = -51
-51 ÷ 237 = -0.21518987341772153
-0.21518987341772153 x 100 = -21.52%