-90.18% is the change from 611 to 60
Calculation steps:
[( 60 - 611 ) ÷ 611] x 100 = -90.18%
Formula
Percentage change = [(60 - 611) / 611] x 100
Subtract the new number by the original number
60 - 611 = -551
-551 ÷ 611 = -0.9018003273322422
-0.9018003273322422 x 100 = -90.18%