-75.5% is the change from 845 to 207
Calculation steps:
[( 207 - 845 ) ÷ 845] x 100 = -75.5%
Formula
Percentage change = [(207 - 845) / 845] x 100
Subtract the new number by the original number
207 - 845 = -638
-638 ÷ 845 = -0.7550295857988165
-0.7550295857988165 x 100 = -75.5%