-63.69% is the change from 157 to 57
Calculation steps:
[( 57 - 157 ) ÷ 157] x 100 = -63.69%
Formula
Percentage change = [(57 - 157) / 157] x 100
Subtract the new number by the original number
57 - 157 = -100
-100 ÷ 157 = -0.6369426751592356
-0.6369426751592356 x 100 = -63.69%