-70.18% is the change from 57 to 17
Calculation steps:
[( 17 - 57 ) ÷ 57] x 100 = -70.18%
Formula
Percentage change = [(17 - 57) / 57] x 100
Subtract the new number by the original number
17 - 57 = -40
-40 ÷ 57 = -0.7017543859649122
-0.7017543859649122 x 100 = -70.18%