-16.44% is the change from 505 to 422
Calculation steps:
[( 422 - 505 ) ÷ 505] x 100 = -16.44%
Formula
Percentage change = [(422 - 505) / 505] x 100
Subtract the new number by the original number
422 - 505 = -83
-83 ÷ 505 = -0.16435643564356436
-0.16435643564356436 x 100 = -16.44%