-52.77% is the change from 307 to 145
Calculation steps:
[( 145 - 307 ) ÷ 307] x 100 = -52.77%
Formula
Percentage change = [(145 - 307) / 307] x 100
Subtract the new number by the original number
145 - 307 = -162
-162 ÷ 307 = -0.5276872964169381
-0.5276872964169381 x 100 = -52.77%