-43.29% is the change from 901 to 511
Calculation steps:
[( 511 - 901 ) ÷ 901] x 100 = -43.29%
Formula
Percentage change = [(511 - 901) / 901] x 100
Subtract the new number by the original number
511 - 901 = -390
-390 ÷ 901 = -0.4328523862375139
-0.4328523862375139 x 100 = -43.29%