-59.2% is the change from 527 to 215
Calculation steps:
[( 215 - 527 ) ÷ 527] x 100 = -59.2%
Formula
Percentage change = [(215 - 527) / 527] x 100
Subtract the new number by the original number
215 - 527 = -312
-312 ÷ 527 = -0.5920303605313093
-0.5920303605313093 x 100 = -59.2%