-53.33% is the change from 975 to 455
Calculation steps:
[( 455 - 975 ) ÷ 975] x 100 = -53.33%
Formula
Percentage change = [(455 - 975) / 975] x 100
Subtract the new number by the original number
455 - 975 = -520
-520 ÷ 975 = -0.5333333333333333
-0.5333333333333333 x 100 = -53.33%