-79.38% is the change from 650 to 134
Calculation steps:
[( 134 - 650 ) ÷ 650] x 100 = -79.38%
Formula
Percentage change = [(134 - 650) / 650] x 100
Subtract the new number by the original number
134 - 650 = -516
-516 ÷ 650 = -0.7938461538461539
-0.7938461538461539 x 100 = -79.38%