-49.53% is the change from 527 to 266
Calculation steps:
[( 266 - 527 ) ÷ 527] x 100 = -49.53%
Formula
Percentage change = [(266 - 527) / 527] x 100
Subtract the new number by the original number
266 - 527 = -261
-261 ÷ 527 = -0.4952561669829222
-0.4952561669829222 x 100 = -49.53%