-30.8% is the change from 763 to 528
Calculation steps:
[( 528 - 763 ) ÷ 763] x 100 = -30.8%
Formula
Percentage change = [(528 - 763) / 763] x 100
Subtract the new number by the original number
528 - 763 = -235
-235 ÷ 763 = -0.30799475753604194
-0.30799475753604194 x 100 = -30.8%