-83.99% is the change from 918 to 147
Calculation steps:
[( 147 - 918 ) ÷ 918] x 100 = -83.99%
Formula
Percentage change = [(147 - 918) / 918] x 100
Subtract the new number by the original number
147 - 918 = -771
-771 ÷ 918 = -0.8398692810457516
-0.8398692810457516 x 100 = -83.99%