-15.28% is the change from 962 to 815
Calculation steps:
[( 815 - 962 ) ÷ 962] x 100 = -15.28%
Formula
Percentage change = [(815 - 962) / 962] x 100
Subtract the new number by the original number
815 - 962 = -147
-147 ÷ 962 = -0.15280665280665282
-0.15280665280665282 x 100 = -15.28%