-40.82% is the change from 245 to 145
Calculation steps:
[( 145 - 245 ) ÷ 245] x 100 = -40.82%
Formula
Percentage change = [(145 - 245) / 245] x 100
Subtract the new number by the original number
145 - 245 = -100
-100 ÷ 245 = -0.40816326530612246
-0.40816326530612246 x 100 = -40.82%