-49.04% is the change from 522 to 266
Calculation steps:
[( 266 - 522 ) ÷ 522] x 100 = -49.04%
Formula
Percentage change = [(266 - 522) / 522] x 100
Subtract the new number by the original number
266 - 522 = -256
-256 ÷ 522 = -0.4904214559386973
-0.4904214559386973 x 100 = -49.04%