-91.46% is the change from 527 to 45
Calculation steps:
[( 45 - 527 ) ÷ 527] x 100 = -91.46%
Formula
Percentage change = [(45 - 527) / 527] x 100
Subtract the new number by the original number
45 - 527 = -482
-482 ÷ 527 = -0.9146110056925996
-0.9146110056925996 x 100 = -91.46%