-78.11% is the change from 845 to 185
Calculation steps:
[( 185 - 845 ) ÷ 845] x 100 = -78.11%
Formula
Percentage change = [(185 - 845) / 845] x 100
Subtract the new number by the original number
185 - 845 = -660
-660 ÷ 845 = -0.7810650887573964
-0.7810650887573964 x 100 = -78.11%