-92.64% is the change from 815 to 60
Calculation steps:
[( 60 - 815 ) ÷ 815] x 100 = -92.64%
Formula
Percentage change = [(60 - 815) / 815] x 100
Subtract the new number by the original number
60 - 815 = -755
-755 ÷ 815 = -0.9263803680981595
-0.9263803680981595 x 100 = -92.64%