-73.49% is the change from 845 to 224
Calculation steps:
[( 224 - 845 ) ÷ 845] x 100 = -73.49%
Formula
Percentage change = [(224 - 845) / 845] x 100
Subtract the new number by the original number
224 - 845 = -621
-621 ÷ 845 = -0.7349112426035503
-0.7349112426035503 x 100 = -73.49%