-78.88% is the change from 843 to 178
Calculation steps:
[( 178 - 843 ) ÷ 843] x 100 = -78.88%
Formula
Percentage change = [(178 - 843) / 843] x 100
Subtract the new number by the original number
178 - 843 = -665
-665 ÷ 843 = -0.7888493475682088
-0.7888493475682088 x 100 = -78.88%