-13.52% is the change from 488 to 422
Calculation steps:
[( 422 - 488 ) ÷ 488] x 100 = -13.52%
Formula
Percentage change = [(422 - 488) / 488] x 100
Subtract the new number by the original number
422 - 488 = -66
-66 ÷ 488 = -0.13524590163934427
-0.13524590163934427 x 100 = -13.52%