-53.22% is the change from 977 to 457
Calculation steps:
[( 457 - 977 ) ÷ 977] x 100 = -53.22%
Formula
Percentage change = [(457 - 977) / 977] x 100
Subtract the new number by the original number
457 - 977 = -520
-520 ÷ 977 = -0.5322415557830092
-0.5322415557830092 x 100 = -53.22%