-67.46% is the change from 845 to 275
Calculation steps:
[( 275 - 845 ) ÷ 845] x 100 = -67.46%
Formula
Percentage change = [(275 - 845) / 845] x 100
Subtract the new number by the original number
275 - 845 = -570
-570 ÷ 845 = -0.6745562130177515
-0.6745562130177515 x 100 = -67.46%