-75.98% is the change from 662 to 159
Calculation steps:
[( 159 - 662 ) ÷ 662] x 100 = -75.98%
Formula
Percentage change = [(159 - 662) / 662] x 100
Subtract the new number by the original number
159 - 662 = -503
-503 ÷ 662 = -0.7598187311178247
-0.7598187311178247 x 100 = -75.98%