-53.05% is the change from 164 to 77
Calculation steps:
[( 77 - 164 ) ÷ 164] x 100 = -53.05%
Formula
Percentage change = [(77 - 164) / 164] x 100
Subtract the new number by the original number
77 - 164 = -87
-87 ÷ 164 = -0.5304878048780488
-0.5304878048780488 x 100 = -53.05%