-62.8% is the change from 164 to 61
Calculation steps:
[( 61 - 164 ) ÷ 164] x 100 = -62.8%
Formula
Percentage change = [(61 - 164) / 164] x 100
Subtract the new number by the original number
61 - 164 = -103
-103 ÷ 164 = -0.6280487804878049
-0.6280487804878049 x 100 = -62.8%