-32.5% is the change from 757 to 511
Calculation steps:
[( 511 - 757 ) ÷ 757] x 100 = -32.5%
Formula
Percentage change = [(511 - 757) / 757] x 100
Subtract the new number by the original number
511 - 757 = -246
-246 ÷ 757 = -0.3249669749009247
-0.3249669749009247 x 100 = -32.5%