-91.43% is the change from 595 to 51
Calculation steps:
[( 51 - 595 ) ÷ 595] x 100 = -91.43%
Formula
Percentage change = [(51 - 595) / 595] x 100
Subtract the new number by the original number
51 - 595 = -544
-544 ÷ 595 = -0.9142857142857143
-0.9142857142857143 x 100 = -91.43%