-22.81% is the change from 662 to 511
Calculation steps:
[( 511 - 662 ) ÷ 662] x 100 = -22.81%
Formula
Percentage change = [(511 - 662) / 662] x 100
Subtract the new number by the original number
511 - 662 = -151
-151 ÷ 662 = -0.2280966767371601
-0.2280966767371601 x 100 = -22.81%