-75.49% is the change from 661 to 162
Calculation steps:
[( 162 - 661 ) ÷ 661] x 100 = -75.49%
Formula
Percentage change = [(162 - 661) / 661] x 100
Subtract the new number by the original number
162 - 661 = -499
-499 ÷ 661 = -0.7549167927382754
-0.7549167927382754 x 100 = -75.49%