-88.58% is the change from 657 to 75
Calculation steps:
[( 75 - 657 ) ÷ 657] x 100 = -88.58%
Formula
Percentage change = [(75 - 657) / 657] x 100
Subtract the new number by the original number
75 - 657 = -582
-582 ÷ 657 = -0.8858447488584474
-0.8858447488584474 x 100 = -88.58%