-41.52% is the change from 525 to 307
Calculation steps:
[( 307 - 525 ) ÷ 525] x 100 = -41.52%
Formula
Percentage change = [(307 - 525) / 525] x 100
Subtract the new number by the original number
307 - 525 = -218
-218 ÷ 525 = -0.41523809523809524
-0.41523809523809524 x 100 = -41.52%