-71.9% is the change from 662 to 186
Calculation steps:
[( 186 - 662 ) ÷ 662] x 100 = -71.9%
Formula
Percentage change = [(186 - 662) / 662] x 100
Subtract the new number by the original number
186 - 662 = -476
-476 ÷ 662 = -0.7190332326283988
-0.7190332326283988 x 100 = -71.9%