-77.19% is the change from 697 to 159
Calculation steps:
[( 159 - 697 ) ÷ 697] x 100 = -77.19%
Formula
Percentage change = [(159 - 697) / 697] x 100
Subtract the new number by the original number
159 - 697 = -538
-538 ÷ 697 = -0.7718794835007173
-0.7718794835007173 x 100 = -77.19%