-32.13% is the change from 778 to 528
Calculation steps:
[( 528 - 778 ) ÷ 778] x 100 = -32.13%
Formula
Percentage change = [(528 - 778) / 778] x 100
Subtract the new number by the original number
528 - 778 = -250
-250 ÷ 778 = -0.3213367609254499
-0.3213367609254499 x 100 = -32.13%