-6.56% is the change from 61 to 57
Calculation steps:
[( 57 - 61 ) ÷ 61] x 100 = -6.56%
Formula
Percentage change = [(57 - 61) / 61] x 100
Subtract the new number by the original number
57 - 61 = -4
-4 ÷ 61 = -0.06557377049180328
-0.06557377049180328 x 100 = -6.56%