-58.46% is the change from 975 to 405
Calculation steps:
[( 405 - 975 ) ÷ 975] x 100 = -58.46%
Formula
Percentage change = [(405 - 975) / 975] x 100
Subtract the new number by the original number
405 - 975 = -570
-570 ÷ 975 = -0.5846153846153846
-0.5846153846153846 x 100 = -58.46%