-60.98% is the change from 164 to 64
Calculation steps:
[( 64 - 164 ) ÷ 164] x 100 = -60.98%
Formula
Percentage change = [(64 - 164) / 164] x 100
Subtract the new number by the original number
64 - 164 = -100
-100 ÷ 164 = -0.6097560975609756
-0.6097560975609756 x 100 = -60.98%