-19.92% is the change from 527 to 422
Calculation steps:
[( 422 - 527 ) ÷ 527] x 100 = -19.92%
Formula
Percentage change = [(422 - 527) / 527] x 100
Subtract the new number by the original number
422 - 527 = -105
-105 ÷ 527 = -0.19924098671726756
-0.19924098671726756 x 100 = -19.92%