-41.75% is the change from 527 to 307
Calculation steps:
[( 307 - 527 ) ÷ 527] x 100 = -41.75%
Formula
Percentage change = [(307 - 527) / 527] x 100
Subtract the new number by the original number
307 - 527 = -220
-220 ÷ 527 = -0.4174573055028463
-0.4174573055028463 x 100 = -41.75%