-66.49% is the change from 749 to 251
Calculation steps:
[( 251 - 749 ) ÷ 749] x 100 = -66.49%
Formula
Percentage change = [(251 - 749) / 749] x 100
Subtract the new number by the original number
251 - 749 = -498
-498 ÷ 749 = -0.664886515353805
-0.664886515353805 x 100 = -66.49%