-35.48% is the change from 527 to 340
Calculation steps:
[( 340 - 527 ) ÷ 527] x 100 = -35.48%
Formula
Percentage change = [(340 - 527) / 527] x 100
Subtract the new number by the original number
340 - 527 = -187
-187 ÷ 527 = -0.3548387096774194
-0.3548387096774194 x 100 = -35.48%