-70% is the change from 190 to 57
Calculation steps:
[( 57 - 190 ) ÷ 190] x 100 = -70%
Formula
Percentage change = [(57 - 190) / 190] x 100
Subtract the new number by the original number
57 - 190 = -133
-133 ÷ 190 = -0.7
-0.7 x 100 = -70%
Example