-21.62% is the change from 185 to 145
Calculation steps:
[( 145 - 185 ) ÷ 185] x 100 = -21.62%
Formula
Percentage change = [(145 - 185) / 185] x 100
Subtract the new number by the original number
145 - 185 = -40
-40 ÷ 185 = -0.21621621621621623
-0.21621621621621623 x 100 = -21.62%