-42.13% is the change from 527 to 305
Calculation steps:
[( 305 - 527 ) ÷ 527] x 100 = -42.13%
Formula
Percentage change = [(305 - 527) / 527] x 100
Subtract the new number by the original number
305 - 527 = -222
-222 ÷ 527 = -0.42125237191650855
-0.42125237191650855 x 100 = -42.13%